Service difficulty report · Smoke Detector · Boeing 75724APF

Difficulty date
June 25, 2021
Submitted
June 28, 2021
Operation
Air carrier
Aircraft
N426UP
Make and model
Boeing 75724APF
Aircraft serial
25457
Aircraft time
29,147 hours, 19,857 cycles
Part
Smoke Detector
Part number
2156606A
Part serial
10197B
Condition
Inoperative
Location
Cabin
Stage of operation
AP
How discovered
O
Nature of condition
P
Precautionary procedure
O

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

What was found

INSPECTION TYPE:N/A15 NM FINAL ON APPROACH FLAPS 5 IN CLOUDS FLT DK EQ SMOKE.UNABLE TO DUPLICATE. NO PHYSICAL FUMES OR SMOKE REPORTED. SUSPECT FAULTY SMOKE DETECTOR. R&R SMOKE DETECTORS T55295 & T55294 PER AMM 21-58-19 AND R&R #2 FLIGHT DECK SUPPLY FAN IAW AMM 21-58-23. OPS CHECK GOOD. EQUIPMENT COOLING OPS CHECK GOOD PER AMM 21-58-00. OPERATED FOR 1 HR IN NORMAL AND 1 HR IN ALTERNATE WITH NO MESSAGES, FUMES, OR SMOKE.

More about the Boeing 757-24APF