# SDR GTIA040237

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2004
- Submitted: May 3, 2004
- Operation: Air carrier
- Aircraft: N803NK
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 48087
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Part number: 59585701
- Part serial: E671
- Condition: Faulty
- Location: Lt Engine
- Stage of operation: AP
- 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/GTIA040237

## Discrepancy

DTW - FLT 631 - ON FINAL INTO TPA, NR 1 ENGINE A-LOOP FLICKERED WITH NO ASSOCIATED WARNING EXCEPT M-CAUTION FLICKERED ONCE FOR 2 SECONDS, SELECTED B-LOOP AND EXECUTED TEST.  TEST WAS NORMAL.  REMOVED AND REPLACED LEFT ENGINE FIRE LOOP.  (M)

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