Service difficulty report · Fire Detector · Boeing 74744AF

Difficulty date
December 3, 2023
Submitted
December 4, 2023
Operation
Air carrier
Aircraft
N570UP
Make and model
Boeing 74744AF
Aircraft serial
35667
Aircraft time
58,447 hours, 9,562 cycles
Part
Fire Detector
Part number
285N002821
Part serial
D18108
Condition
False Activation
Location
Unknown
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
J, A

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

What was found

*** ATB *** IMMEDIATELY AFTER TAKEOFF €Œ DET FIRE/OHT 4€? ANNUNCIATION ON EICAS. CHECKLIST ACTIONED. FUEL JETTISON CHECKLIST ACTIONED. 26,000 LB DUMPED REMOVED AND REPLACED AFOLTS CARD #4 ENGINE CARD A18 IAW AMM 26-10-01. FIRE TEST OK IAW AMM 26-10-01. INSPECTED #4 ENGINE LOOP DETECTORS AND CONNECTIONS. NO DEFECTS NOTED.

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