# SDR ABXA20260622274

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2026
- Submitted: June 22, 2026
- Operation: Air carrier
- Aircraft: [N1489A](https://openairdocs.org/aircraft/N1489A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 27206
- Aircraft time: 119,347 hours, 25,371 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Warning Message
- Condition: Illuminated
- Location: Isolation Valve
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20260622274

## Discrepancy

AFTER PUSHBACK, DURING TAXI, LT REV ISLN VALVE. RETURNED TO GATE (BTB). PLACED LEFT T/R ON DI PER MEL 78-31-1 MBCB 07/02/2026 PLACARD INSTALLED A/C DOWNGRADED TO CATIIIA. A/C RETURNED TO SERVICE.

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