Service difficulty report · Fire Detector · Boeing 73776Q

Difficulty date
December 6, 2020
Submitted
December 9, 2020
Operation
Air carrier
Aircraft
N551WN
Make and model
Boeing 73776Q
Aircraft serial
30280
Aircraft time
60,266 hours, 37,263 cycles
Part
Fire Detector
Part number
35008307
Part serial
1004
Condition
Faulted
Location
E&E Bay
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

WHEEL WELL FIRE LIGHT ILLUMINATED DURING CLIMB. COMPLIED WITH QRH AND LANDED AT NEAREST SUITABLE AIRPORT. LIGHT REILLUMINATED 2 MORE TIMES IN DESCENT AND THEN STAYED EXTINGUISHED. CFR FOUND NO HOT SPOTS. R & R M270 SENSING ELEMENT, IAW MM 26-18-02. OPERATIONS CHECK OK. R & R FIRE LOOP DETECTION UNIT, IAW M/M 26-10-01 RAR 81244 POS 1 P/N 35008-307 S/N OFF 1004 S/N ON 0696.

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