Service difficulty report · Smoke Detector · Boeing 74787UF

Difficulty date
May 16, 2015
Submitted
May 19, 2015
Operation
Air carrier
Aircraft
N857GT
Make and model
Boeing 74787UF
Aircraft serial
37568
Aircraft time
14,369 hours, 2,548 cycles
Part
Smoke Detector
Part number
33011
Part serial
4275
Condition
False Activation
Location
Cargo Bay
Part time
12,041 hours, 2,102 cycles
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFT CARGO FIRE WARNING AND EICAS DURING CRUISE AT 35,000 FT. WARNINGS CLEARED AFTER 10 SECONDS. CMC REVIEWED AND AFT LOWER LOBE DETECTOR 11 FAILED. AFT CARGO SMOKE DETECTOR 11 REPLACED AND TEST OK IAW AMM 26-16-01.

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