# SDR CALA2026082418859

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2026
- Submitted: August 24, 2026
- Operation: Air carrier
- Aircraft: [N496UA](https://openairdocs.org/aircraft/N496UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1845
- Aircraft time: 67,269 hours, 29,688 cycles
- Engine: Iae V2527A5
- System (JASC): [3412 · Outside Air Temperature Indicator/Sensor](https://openairdocs.org/jasc/3412)
- Part: Adiru
- Part number: HG2030AE44
- Part serial: 1660
- Condition: Faulted
- Location: Nr 1
- Part time: 15,781 hours, 7,642 cycles
- 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/CALA2026082418859

## Discrepancy

REPEAT GRIPE OF IR-1 AFTER TAKEOFF. DEBRIEFED PILOT, AFTER TAKEOFF, IR-1 FAULTED. CAPT FOLLOWED QRH AND SWITCHED TO CAPT 3 FOR THE IR BACKUP BUT NO HELP. CAPTAIN`S HAD RED X EVEN AFTER SWITCHING TO CAPT 3.  REPLACED NR 1 ADIRU IAW AMM 34-12-34. OPS CHKD GOOD.

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