# SDR 95ZZZW598

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N53116](https://openairdocs.org/aircraft/N53116), registered now
- Make and model: Boeing 747131
- Aircraft serial: 20321
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Part number: 895398
- Condition: Malfunctioned
- Location: Nr 1 Engine
- Stage of operation: NR
- Nature of condition: N
- Precautionary procedure: F, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZW598

## Discrepancy

MADE UNSCHEDULED LANDING ACCOUNT NR 1 ENGINE 'A' FIREWARNING ILLUMINATED.  SHUT DOWN ENGINE AND DISCHARGED EXTINGUISHER BOTTLES.  'B' LOOP PREVIOUSLY PLACARDED ON MEL.  RESTORED 'B' LOOP BY REPLACEMENT OF LOWER AFT WARNING LOOP, MFG P/N 895398.  REPLACED EXPENDED BOTTLES AND PLACARDED 'A' LOOP PER MEL.  OPS CHECKS NORMAL.

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