# SDR AALA202609159591

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2026
- Submitted: September 16, 2026
- Operation: Air carrier
- Aircraft: [N961NN](https://openairdocs.org/aircraft/N961NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31205
- Aircraft time: 35,590 hours, 14,881 cycles
- System (JASC): [3244 · Tire](https://openairdocs.org/jasc/3244)
- Part: Tire
- Part number: C20626200
- Part serial: AP937C20626
- Condition: Damaged
- Location: Zone 700
- Stage of operation: TO
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202609159591

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING TAKEOFF AND LANDING MID FREQUENCY VIBRATION FELT THROUGHOUT THE CABIN. OCCURRED WITH MAIN TIRES ON THE GROUND AND VIBRATION FREQUENCY  CORRESPONDED TO AIRCRAFT GROUND SPEED. DURING DISCUSION WITH TOWER AARF WAS DISPATCHED AIRCRAFT LANDED WITHOUT INCIDENT. INSPECTED MLG WHEELS IAW FIM 32-11-00-810-802, FOUND NR 1 & 4 TIRES FLAT SPOTTED AND WORN. MAINTENANCE REPLACED NR 1  MAIN WHEEL ASSY'S IAW AMM 32-45-11.

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