SDR ASAA2015090912990

Service difficulty report · Fire Detector · Boeing 737890

Difficulty date: September 9, 2015
Submitted: September 11, 2015
Operation: Air carrier
Aircraft: N559AS
Make and model: Boeing 737890
Aircraft serial: 35178
Aircraft time: 33,639 hours, 10,056 cycles
System (JASC): 2612 · Fire Detection
Part: Fire Detector
Part number: 4735975
Condition: No Test
Location: Cargo Bay
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: K

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

What was found

FWD CARGO FIRE DETECTOR TEST FAILED, LOOP A. ACFT GROUNDED. PERFORMED FIM 26-16, TASK 801, FOUND A2 SMOKE DETECTOR M2239 FAILED. REPLACED A2 SMOKE DETECTOR M2239. OPS CKS GOOD, REF AMM 26-06-01. ETOPS SIGNIFICANT SYS GROUND VERIFICATION SUCCESSFUL, REF AMM 26-16-00-710-801.