Lok Sabha Question No. 1126 (UNSTARRED), answered on 2017-12-21
Subject: Technical Snags in Aircraft
Ministry: CIVIL AVIATION
Asked by: MOHANBHAI KALYANJIBHAI KUNDARIYA, BOORA NARSAIAH GOUD

GOVERNMENT OF INDIA MINISTRY OF CIVIL AVIA TION LOK SABHA UNSTARRED QUESTION NO. 1126 (To be answered on the December 2017) 21st

Technical Snags in Aircraft

1126.

## SHRI KUNDARIYA MOHAN BHAI KALYANJI BHAI DR. BOORA NARSAIAH GOUD

Will the Minister of CIVIL AVIATION

- (a) the definition of 'technical snag' in an aircraft;
- (c) if $0, the details thereof during the last three years and the current year and the reaction of the Government thereto;

be pleased to state:-

- (b) whether the Government has taken note of repeated technical snags reported in the aircraft operated by various airlines; being
- (d) whether the Government has taken any steps with the DGCA to check such lapses which endangers the life of hundreds of passengers and if S0, the details and the outcome thereof; along
- the steps being taken to strengthen aviation safety in the country?
- (e) whether all airlines are strictly following Broescope inspection and if the details thereof; and

## ANSWER

Minister of State in the Ministry of CIVIL AVIATION

(Shri Jayant Sinha)

(a) A 'Technical Snag' (Defect) means a condition existing in an aircraft (including its systems) or an aircraft component, arising from any cause other than damage which would preclude it or another aircraft component from performing its intended functions or would reduce the expected service life of the aircraft or aircraft component:

(d) DGCA has issued regulations and procedures for monitoring snag defects encountered during aircraft operations by following actions taken by the airlines:-

(b) & (c) Technical snags are likely to occur normal course of operation of the aircraft: Operators are responsible for monitoring and rectification of the technical snag observed/ reported 0f Number of reported technical snags airline wise is attached as Annexure-A during

(i) All observed or reported defects in aircrait are rectified Or carried forward as part %f approved deficiency list as per approved procedures by DGCA:

- (ii) Airline are required to hold meetings to the previous technical snags including repeated snags, and incidents to review the effectiveness of rectification action taken. If required; manufacturer assistance is taken in case of in daily analyse day delays

service difficulties are experienced by Airlines to rectify the defects:

- (iv) Reliability meetings are held quarterly in association with DGCA to pin the problem areas and initiate corrective action if the report indicate degraded level of reliability. point
- (iii) Monthly defects are analysed and statistics report is prepared to review the performance of previous months and the same is submitted to DGCASuch reports are reviewed by DGCA to take corrective action o the adverse trend if any.
- (e) AlI airlines are required to strictly follow the Borescope inspection requirements as part of maintenance programme.

DGCA ensures compliance of AMP including Borescopic inspection by operator during renewal of Airworthiness Review Certificate (ARC) Surveillance inspection and checks. spot

- Borescopic inspections are primarily required to be performed o aircraft Engines based on Maintenance Planning Documents (MPD) provided by Engine manufacturer. All airlines are required to prepare Aircraft Maintenance Programme (AMP) on this basis and follow the same as per specified therein. period
- (f) DGCA has developed State Safety Programme to:
- (ii) support the management of safety in India through an effective safety reporting and communication system
- (develop and embed a safety culture across all aviation industries that recognizes the im portance and value of effective aviation safety management and acknowledges at all times that safety is paramount
- (iii) conduct both periormance-based and compliance-oriented activities; supported by analyses and prioritized resource allocation based on safety risks levels (proactively targeting regulatory attention on known areas of high risk)
- (v) ensure that operators and service providers establish and maintain the Safety Management System (SMS) in their operation

.

## Annexure-A

Details of repeated\_technical\_snagg reported by various airlines during the last three year and the current year, year-wise:

| Airiine                    | Type of Aircraft   | Year   | Year   | Year   | Year   |
|----------------------------|--------------------|--------|--------|--------|--------|
| Airiine                    | Type of Aircraft   | 2014   | 2015   | 2016   | 2017   |
| Mls Air India              | Air Bus A319       | 307    | 328    | 280    | 165    |
| Mls Air India              | Air Bus A320       | 94     | 101    | 94     | 72     |
| Mls Air India              | Air Bus A321       | 183    | 198    | 203    | 178    |
| (A Fleet) India            | B747-400           | 39     | 2      | 3      | 12     |
| (A Fleet) India            | B777               | 57     | 86     | 66     | 58     |
| (A Fleet) India            | B787               | 39     | 69     | 73     | 96     |
| (B-Fleet) Mls Alliance Air | CRJ7OO             | 06     | 04     | 0      |        |
| (B-Fleet) Mls Alliance Air | ATR-72-600         |        | 02     |        | 00     |
| MIs SpiceJet               | Boeing 737 NG      | 392    | 230    | 104    | 127    |
| MIs SpiceJet               | Bombardier Q400    | 100    | 69     | 260    | 132    |
| MIs IndiGo                 | Air Bus A320       | 12     | 18     | 24     | 37     |
| Mls Vistara Airlines       | Air Bus A320       |        | 5      | 14     | 03     |
| MIs Go Air                 | Air Bus A320       | 32     | 21     | 16     | 17     |
| Ms Jet Airways             | Boeing 737 NG      | 220    | 49     | 65     | 41     |
| Ms Jet Airways             | Boeing 777         | 9      | 3      | 4      | 20     |
| Ms Jet Airways             | Air Bus A330       | 12     | 3      | 6      | 13     |
| Ms Jet Airways             | ATR                | 67     | 20     | 20     | 6      |
| MIs Blue Dart              | B757-200           | 7      | 6      | 12     | 1      |
|                            | B737-200           |        |        |        |        |
| (TruJet)                   | ATR 72- 500,600    |        | 4      | 8      | 4      |
| (Zoom Air)                 | CRJ2OO             |        |        |        | 02     |
| MIs Air Asia               | Air Bus A320       | 2      | 11     | 14     | 16     |
| Grand Total                |                    | 1579   | 1229   | 1267   | 1000   |

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