# SDR UALA2011032901504

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2011
- Submitted: April 27, 2011
- Operation: Air carrier
- Aircraft: [N460UA](https://openairdocs.org/aircraft/N460UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1248
- Aircraft time: 35,785 hours, 15,196 cycles
- Engine: Iae V2527A5
- System (JASC): [2211 · Autopilot Computer](https://openairdocs.org/jasc/2211)
- Part: Computer
- Part number: B397BAM0513
- Part serial: 126
- Condition: Faulty
- Location: Autopilot Sys
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011032901504

## Discrepancy

BOTH AP'S INOP WITH RUDDER TVL LIMITER FAULT, BOTH PFD'S ON SAME FAC MESSAGE.  FAC 1 IS FAULTED IN CFDS.  SWAPPED FAC 1 AND 2.  CHECKED NORMAL.  REPLACED TAT PROBE 1, ALL SYST CKD NORMAL. CAT III CKD NORMAL IAW AMM.  CURRENT POSITIONS.  FAC 1, MR22675-126, FAC 2 MR22675-168.

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