# SDR AALA20100629LAX02

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2010
- Submitted: December 29, 2010
- Operation: Air carrier
- Aircraft: [N798AN](https://openairdocs.org/aircraft/N798AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30797
- Aircraft time: 38,021 hours, 5,136 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Faulty
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20100629LAX02

## Discrepancy

LAX - INFLIGHT NRT-DFW.  CREW REPORTED MESSAGES FOR LEFT HIGH PRESSURE SHUT-OFF VALVE AND RIGHT PACK ILLUMINATED ON EICAS.  IN ADDITION THE CABIN PRESS CONTROL LIGHT ILLUMINATED.  FLIGHT DIVERTED LAX LANDED WITHOUT INCIDENT.  REPLACED AIR SUPPLY CABIN PRESSURE CONTROLLER.  SYSTEM, GROUND CHECK NORMAL OPERATION.

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