# SDR YENA2022072900725

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2022
- Submitted: July 29, 2022
- Operation: Air carrier
- Aircraft: [N821JB](https://openairdocs.org/aircraft/N821JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 05417
- Aircraft time: 36,123 hours, 11,427 cycles
- System (JASC): [3410 · Flight Environment Data](https://openairdocs.org/jasc/3410)
- Part: Adiru
- Condition: False Indication
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2022072900725

## Discrepancy

FLT#1882, IAH-JFK. ' RECEIVED "NAV LS TUNING DISAGREE" AFTER TAKEOFF ACCOMPANIED BY "INOP SYS CAT II"; NO-FAULT NOTED ON PFR, RESET ADIRU 1,2 AND 3 PER TSM 34-13-00. NO MSG PRESENT SEE FOLLOWING ITEM (ACCOMPLISHED AFS TEST PER MM 22-96-00 TEST OK PERFORMED LAND CAT III TEST PER MM 22-97-00. TEST PASS, NO FAULTS PRESENT. A/C OK TO CONTINUE IN CAT III SERVICE) FOR REQ CAT III TEST.'

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