# SDR GAIA9821

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N854AA](https://openairdocs.org/aircraft/N854AA), registered now
- Make and model: Boeing 727223
- Aircraft serial: 20995
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Condition: Dirty
- Location: Cabin
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GAIA9821

## Discrepancy

AFTER DEPARTING OKC, CREW REPORTED AIRCRAFT DEPRESSURIZATION AT FL 260.  NO DOOR INDICATIONS.  CREW WAS UNABLE TO CONTROL CABIN IN MANUAL OR AUTO.  INSPECTED OUTFLOW VALVES.  REMOVED DEBRIS.  CLEANED OUTFLOW VALVES, REINSTALLED AND FUNCTIONALLY TESTED.  PRESSURIZATION SYSTEMS LEAK AND FUNCTIONALLY TESTED GOOD.  (M)

---
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.