# SDR WRLA2009151

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2009
- Submitted: June 1, 2009
- Operation: Air carrier
- Aircraft: N740WA
- Make and model: Boeing 747-4H6
- Registry model: [Boeing 747-4H6](https://openairdocs.org/model/boeing-747-4h6) (OpenAirDocs)
- Aircraft serial: 25700
- System (JASC): [3213 · Main Landing Gear Strut/Axle/Truck](https://openairdocs.org/jasc/3213)
- Part: Cylinder
- Part number: 65B0143019
- Condition: Cracked
- Location: Lt Mlg
- 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/WRLA2009151

## Discrepancy

WHILE ACCOMPLISHING EO 08-3211-28 AD2001-17-25, THE LEFT WING GEAR AFT UPPER TRUNNION WAS FOUND TO BE CRACKED.  REMOVED AND REPLACED LEFT GEAR UPPER CYLINDER PER CMM 32-11-44.  REMOVED AND REPLACED LEFT WING GEAR ASSEMBLY PER AMM 32-11-01.

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