# SDR P5CA0501362

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2005
- Submitted: June 14, 2005
- Operation: Air carrier
- Aircraft: [N921FT](https://openairdocs.org/aircraft/N921FT), registered now
- Make and model: Boeing 747283B
- Aircraft serial: 21575
- Aircraft time: 65,215 hours, 14,585 cycles
- Engine: Pwa JT9D70A
- Engine time: 42,815 hours, 9,707 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Clamp
- Part number: NH100241010
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0501362

## Discrepancy

NR 1 ENGINE FIRE WARNING SOUNDED ON DESCENT.  CLOSED THRUST AND START LEVER, LIGHT WENT OUT.  FIRE HANDLE WAS NOT PULLED.  REPLACED CLAMP TO HIGH STAGE VALVE.  OPS AND LEAK CHECK OK PER MM 36-13-00 AND 71-00-00.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.