# SDR CALA2026010912825

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2026
- Submitted: January 9, 2026
- Operation: Air carrier
- Aircraft: [N76021](https://openairdocs.org/aircraft/N76021), registered now
- Make and model: Boeing 777224
- Aircraft serial: 39776
- Aircraft time: 69,324 hours, 6,928 cycles
- System (JASC): [3246 · Wheel/Ski/Float](https://openairdocs.org/jasc/3246)
- Part: Heat Shield
- Condition: Cracked
- Location: Nr 1 Mlg
- Part time: 9,904 hours, 1,535 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026010912825

## Discrepancy

ONE MLG TIRE FOUND BEYOND AMM LIMITS.  MLG NR 1 WHEEL, HEAT SHIELD CRACKED, NR 1 MLG WHEEL ASSY REPLACED IAW AMM 32-45-01/401.

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