TC reported 3709 internal smoke pre alar ~~~~~ TC reported 3709 internal smoke pre alar     #3709-#1 end smoke detector Air blow from inlet hose.#3709-#2 end smoke detector-air blow it and clean detector contact with cleancer.Check on Tims no reoccurance of fault.To monitor over night. 0020 raise to mintor. Done by Zulqarnian. 24/04/20 To monitor 3709 for any internal smoke reoccurance Checked no re-occurance of internal smoke alarm on #3709. Checked by Nasir. 24/04/20