# SDR UALA2012062203325

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2012
- Submitted: August 24, 2012
- Operation: Air carrier
- Aircraft: [N492UA](https://openairdocs.org/aircraft/N492UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1755
- Aircraft time: 33,805 hours, 14,800 cycles
- Engine: Iae V2527A5
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Computer
- Part number: 4917011
- Part serial: 236
- Condition: Faulty
- Location: Nr 2
- Stage of operation: CR
- 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/UALA2012062203325

## Discrepancy

ADR 3 FAULTS, FLIGHT DIVERTED.  REPLACED ADIRU 3 (1FP3) REF MM 34-12-34-401 AND TESTED REF MM 34-13-00 AND REPLACED SFCC 2 REF MM 27-51-34-401 AND TESTED REF MM 27-54-00, ALL PARTS OF TESTS PASS AND NO MESSAGES ARE PRESENT.  PERFORMED SUCCESSFUL LAND CAT1 11 TEST REF MM 22-97-00.

---
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.
