# SDR CALA2015011392943

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2015
- Submitted: January 13, 2015
- Operation: Air carrier
- Aircraft: [N223UA](https://openairdocs.org/aircraft/N223UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30224
- Aircraft time: 57,407 hours, 6,847 cycles
- Engine: Pwa PW40903
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Faulted
- Location: Cabni Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2015011392943

## Discrepancy

AIRCRAFT WILL NOT PRESSURIZE.  AFT OUTFLOW VLV SHOWS FULL OPEN ON SYNOPTIC PAGE.  UPON RETURN FOUND THAT CB G14 OF P310 WAS NOT PULLED & COLLARD IAW MEL 3231S.  MEL REAPPLIED CORRECTLY.  FURTHER TROUBLSHOOTING 4262026 FOUND LT ASCPC WITH MULTI FAULTS.  R & R LT ASCPC IAW AMM 36-11-20-401.  OPERATIONS NORMAL.

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