# SDR FDEA202408291187

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2024
- Submitted: August 29, 2024
- Operation: Air carrier
- Aircraft: [N139FE](https://openairdocs.org/aircraft/N139FE), registered now
- Make and model: Boeing 767-3S2F
- Registry model: [Boeing 767-3S2F](https://openairdocs.org/model/boeing-767-3s2f) (OpenAirDocs)
- Aircraft serial: 43538
- Aircraft time: 13,314 hours, 6,170 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 4755712
- Condition: Failed
- Location: Zone 200
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202408291187

## Discrepancy

HEARD UNIDENTIFIABLE ALARM IN FLIGHT 4 DIFFERENT  TIMES APPROXIMATELY 10 TO 15 MINUTES APART AFTER  CLIMB OUT AND LEVEL. DECLARED EMERGENCY AND LANDED  IN HRL.   RELEASED FOR SERVICE PER MEL : 26-26-03-02.  LAVATORY SMOKE DETECTOR INOPERATIVE.  COMPLIED WITH EA H-2612-T0380484, PULLED AND COLLARED C/B C770.  R&R M3000 DISCRETE SMOKE DETECTOR PER ABOVE REF.OPS CK GOOD.OK FOR SERVICE.

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