# SDR AALA202610166446

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2026
- Submitted: October 16, 2026
- Operation: Air carrier
- Aircraft: [N839AA](https://openairdocs.org/aircraft/N839AA), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 40646
- System (JASC): [3244 · Tire](https://openairdocs.org/jasc/3244)
- Part: Tire
- Part number: 31644
- Part serial: 1257
- Condition: Flat
- Location: Zone 700
- Part time: 7,850 hours, 959 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202610166446

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING CRUISE "TIRE PRESS" ILLUMINATED WITH #2 & # 8 TIRES INDICATING AMBER.AFTER T/O #8 TIRE PRESSURE SLOWLY WENT TO ZERO. AS A PRECAUTION PAN-PAN DECLARED AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED NO.8 WHEEL TIRE,THEN PRESS & LEAK CHECK SATIS IAW AMM 32-45-01. #2 TIRE WAS WITHIN LIMITS ONN MIC 4876510 AND DUE TO LANDING WITH A FLAT TIRE THE #7 TIRE WAS ALSO REPLACED ON MIC 4876512.

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