# SDR 99FDEA00005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N144FE](https://openairdocs.org/aircraft/N144FE), registered now
- Make and model: Boeing 727-21C
- Registry model: [Boeing 727-21C](https://openairdocs.org/model/boeing-727-21c) (OpenAirDocs)
- Aircraft serial: 19137
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 322861001
- Condition: Failed
- Location: Nr 1 Bleed Syst
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99FDEA00005

## Discrepancy

LOWER AFT BODY O/H LIGHT ILLUMINATED.  FOLLOWED CK LIST PROCEDURE, CLOSED NR 1 BLEED VALVE AND LEFT PACK.  RETARDED NR 1 THROTTLE TO CLIMB POWER.  LIGHT REMAINED OUT AND TEST OK, INDICATIVE OF LEAK BETWEEN NR 1 BLEED VALVE AND LEFT PACK VALVE.  REMOVED AND REPLACED PURGE VALVE, OPER CK AND LEAK CK GOOD.  REF M/M 36-13-11.  NOTE:  VALVE HOT AIR WAS LEAK AT HEAT DETECTOR.

---
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.