Car 3712 No: 1 end internal smoke.Please check.
 3712 #1E return air internal smoke pre alarm #2 triggered a few times
since beginning of Feb 24. Please check 3712 FC and clean or
replace the smoke detector. ~~~~~ Car 3712 No: 1 end internal smoke.Please
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#3712 checked on TIMS no FC registered for smoke/fire detector. Further
checks found internal smoke detector unit to be dusty. Serviced and
cleaned smoke detector sensor and unit with compressed air. Security
check and function tested smoke detector ok.
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Done by: Gopal, Henry, Shah (6.3.24)