# SDR 99ZZZM736

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N526PC
- Make and model: Boeing 727-77C
- Registry model: [Boeing 727-77C](https://openairdocs.org/model/boeing-727-77c) (OpenAirDocs)
- Aircraft serial: 20370
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Part number: 18252800
- Condition: Reconfigured
- Location: Nr 3 Engine
- Stage of operation: CR
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZM736

## Discrepancy

FLT 712 - IND - NR 3 ENGINE FIRE DETECTOR CIRCUIT GROUND LIGHT ON IN FLIGHT.  RECONFIGURED LOOP, SYSTEM CHECKS NORMAL, NR 3 ENGINE FIRE DETECTION CIRCUIT.  (M)

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