# SDR ASAA2026092269382

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2026
- Submitted: October 20, 2026
- Operation: Air carrier
- Aircraft: [N564AS](https://openairdocs.org/aircraft/N564AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35103
- Aircraft time: 64,427 hours, 19,256 cycles
- System (JASC): [5743 · Wing, Landing Gear Attach Fittings](https://openairdocs.org/jasc/5743)
- Part: Trunnion
- Part number: 115A500212
- Condition: Corroded
- Location: Zone 700
- 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/ASAA2026092269382

## Discrepancy

RIGHT MAIN GEAR FWD TRUNNION MOUNT FITTING, LOWER O/B BUSHING BORE HAS CORROSION ON O/B FACE & IN THE BORE. GROUNDED - YES. REPAIRED RH GEAR FWD TRUNNION MOUNT SUPPORT FITTING LOWER O/B BUSHING BORE & INNER & OUTER BORE FACE SURFACE IAW BOEING 737-800 SRM 57-20-90-2R-2 REPAIR 2 STEP 4 W=.250 O=1.180 R=1.081 L=.400 D=.099.

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