# SDR AALA202009139016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 2020
- Submitted: September 18, 2020
- Operation: Air carrier
- Aircraft: [N787AL](https://openairdocs.org/aircraft/N787AL), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30010
- Aircraft time: 81,459 hours, 9,798 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: PU90471WR1
- Condition: False Activation
- Location: Lavatory
- Stage of operation: DE
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202009139016

## Discrepancy

AIRCRAFT NOT GROUNDED: REPEAT WRITE-UP, 3F-1L LAV SMOKE ALARM ACTIVATED IN DESCENT TO LAND.  MEL 09-130DC-C, REF 2603 LAV SMOKE DETECTION "LAV UNUSEABLE" AUTHORIZED.  SUPPLEMENTAL REPORT.  REMOVED AND REPLACED 3F-1L LAVATORY SMOKE DETECTOR, PER AMM 26-13-01.  OPERATIONAL CHECK NORMAL, NO FAULTS INDICATED.  OKAY FOR SERVICE.

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