# SDR UIEA2012052100246

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2012
- Submitted: May 21, 2012
- Operation: Air carrier
- Aircraft: [N408MC](https://openairdocs.org/aircraft/N408MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29261
- Aircraft time: 58,000 hours, 9,127 cycles
- System (JASC): [5280 · Landing Gear Doors](https://openairdocs.org/jasc/5280)
- Part: Door
- Condition: Damaged
- Location: 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/UIEA2012052100246

## Discrepancy

DURING WALKAROUND INSPECTION, MX FOUND THE LT WING LANDING GEAR SHOCK STRUT OTBD DOOR T/E DELAMINATED, WITH AREA OF MISSING MATERIAL 2.5" X 23.0" ON AFT EDGE AND AREA OF DELAMINATION ON INSIDE SKIN 3.5" X 13.0" (REF FIG 1).  DAMAGE FOUND TO BE BEYOND THE SRM 52-80-02, FIGURE 101 ALLOWABLE DAMAGE 4 LIMITS IAW SRM 51-70-02, FIG 101 ALLOWABLE DAMAGE GENERAL.  PERFORMED A TIME LIMITED REPAIR  IAW SRM 51-70-17 OR SRM 51-70-07.

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