# SDR GTIA2018010302323

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2018
- Submitted: January 5, 2018
- Operation: Air carrier
- Aircraft: [N527NK](https://openairdocs.org/aircraft/N527NK), registered now
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 2978
- Aircraft time: 42,382 hours, 19,819 cycles
- System (JASC): [3414 · Airspeed/Mach Indicator](https://openairdocs.org/jasc/3414)
- Part: Adiru
- Part number: HG2030AD11
- Part serial: 56012374
- Condition: Malfunctioned
- Location: Zone 100
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2018010302323

## Discrepancy

DURING DEPARTURE ROLL,  ALTERNATE LAW ON LANDING AOA FAULT CA, FO, STBY,  DIVERTED AND LANDED.  RETRIEVED PFR PH04 ADIRU 1 FAULT, F/CTL ALTN LAW. APPLIED TSM 34-13-00-810-804-AADR1, FAILURE. RESET ADR1 FAULT CLEARED EFCS GROUND SCAN AFTER RESET CLEAR NO FAULTS AOA FAULT DUE TO ADIR1 FAIL.  SWAPPED ADIR 1 AND 3 IAW AMM 34-12-34-00-001/400-001.  AOA TESTED OK AFTER SWAP IAW AMM 30-31-00-710-001.

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