# SDR 99FDEA00451

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N269FE](https://openairdocs.org/aircraft/N269FE), registered now
- Make and model: Boeing 727233
- Aircraft serial: 21675
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 7909601
- Condition: Inop
- Location: E&E Comp
- Stage of operation: UK
- Nature of condition: G
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99FDEA00451

## Discrepancy

AUTO PRESSURIZATION FAILURE IN FLT.  COULD NOT CONTROL CABIN ALT IN ANY PRESSURIZATION MODE.  REMOVED AND REPLACED PRESSURE CONTROLLER PER MM 21-31-010-4.  OPER CHECK NORM.

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