# SDR FDEA2023012321980

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2020
- Submitted: January 24, 2023
- Operation: Air carrier
- Aircraft: [N596FE](https://openairdocs.org/aircraft/N596FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48554
- Aircraft time: 89,573 hours, 18,888 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Warning
- Condition: False Activation
- Location: Cabin
- 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/FDEA2023012321980

## Discrepancy

AT FLT 360, RECEIVED CABIN SMOKE LEVEL 3 ALERT.  ALERT WAS INTERMITTENT ON & OFF.  ELECTED TO  DIVERT TO KTUL ALERT WENT OUT DURING DESCENT.  CREW REPORTED THERE WAS NO  SMOKE PRESENT ONLY INTERMITTENT INDICATION ON  OVERHEAD PANEL & EAD.  PERFORMED SMOKE DETECTOR  ADJUSTMENT TEST IAW AMM 26-14-01-5, NO FAULTS FOUND.  PERFORMED THE MISCELLANEOUS SYSTEMS  CONTROLLER ADJUSTMENT/TEST IAW AMM 31-42-01-5, NO  HISTORY, NO CURRENT FAULTS AND RTS WAS GOOD.    PERFORMED SMOKE DETECTOR ADJUST TEST IAW AMM 26-14-01-5, NO FAULTS FOUND.  REMOVED AND REPLACED MSC IAW MM 31-42-01-4.  PERFORMED RETURN TO SERVICE TEST IAW MM 31-42-01-4.  TEST PASSED.   R & R COALESCER WATER SEPARATOR BAGS IAW MM 21-54-05-2.    R & R 18 MAIN CARGO SMOKE DETECTORS IAW MM 26-14-01-4.  PERFORMED OPS TEST IAW MM 26-14-01-5.  TESTED NORMAL.  A/C OK FOR SERVICE.

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