# SDR USAA2009072391902

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2009
- Submitted: July 23, 2009
- Operation: Air carrier
- Aircraft: [N169UW](https://openairdocs.org/aircraft/N169UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1455
- Aircraft time: 29,983 hours, 10,690 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Valve
- Part number: MS288892
- Condition: Defective
- Location: Lt Aft Door
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2009072391902

## Discrepancy

LOG PAGE 8454886 - FLT 723-PHL - EMERGENCY EGRESS SYSTEM - CIDS MASTER CAUTION LIGHT ON.  MAINTENANCE FOUND LEFT AFT EXIT DOOR ASSIST BOTTLE LOW.  REMOVED AND REPLACED CHARGING VALVE AND PERCUSSION MECHANISM SEALS PER TROUBLESHOOTING MANUAL 52-22-00-860-005 AND CHARGED TO PROPER LEVEL.

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