# SDR 95ZZZM753

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N54342
- Make and model: Boeing 727231
- Aircraft serial: 21629
- System (JASC): [2520 · Passenger Compartment Equipment](https://openairdocs.org/jasc/2520)
- Part: Insul Blanket
- Condition: Out Of Position
- Location: Cabin
- Stage of operation: CL
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZM753

## Discrepancy

DURING CLIMB, LOST CABIN PRESSURE AT 17,000 FEET, FLIGHT RETURNED.  FOUND INSULATION BLANKET UNDER LEFT OUTFLOW VALVE. REMOVED INSULATION BLANKET AND REMOVED AND REPLACED LEFT OUTFLOW VALVE, MFG P/N 103280-5-1.  ALSO, REMOVED AND REPLACED RIGHT OUTFLOW VALVE, MFG P/N 103280-5-1, AUTOMATIC CABIN PRESSURE CONTROL, MFG P/N 102518-3-1 AND MANUAL PRESSURE CONTROLLER, MFG P/N 131046-1.  PERFORMED CABIN PRESSURE LEAK CHECK, CHECKED NORMAL.

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