# SDR 01FDEA00271

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2001
- Submitted: April 18, 2001
- Operation: Air carrier
- Aircraft: N479FE
- Make and model: Boeing 727227
- Aircraft serial: 21461
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Valve
- Part number: 32167441
- Part serial: P678
- Condition: Failed
- Location: A/C Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/01FDEA00271

## Discrepancy

ON CLIMBOUT WITH BOTH PACKS ON CABIN BEGAN TO CLIMB TO 10,000 FT.  STARTED A DESCENT, A/C REMAIN UNPRESSURIED UNTIL LAND.  *S/D*  REMOVED AND REPLACED LT PACK VALVE.  OPS CK OF BOTH PACK LT & RT PRESS.  AC NORMAL ON GROUND AS PER MM.  REMOVED PLACARD.

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