# SDR IPXA1B66721

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2011
- Submitted: May 20, 2011
- Operation: Air carrier
- Aircraft: [N582UP](https://openairdocs.org/aircraft/N582UP), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 29053
- Aircraft time: 70,234 hours, 12,978 cycles
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Hinge Fitting
- Part number: 65B0816220
- Condition: Worn
- Location: Lt Wing Aileron
- 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/IPXA1B66721

## Discrepancy

INSPECTION TYPE:D, LT WING OTBD AIL MOST OTBD HINGE FITTING WEB AT WS 1480 FOUND WORN.  LT WING OTBD AIL MOST OTBD HINGE FITTING WEB AT WS 1485 AREA REPLACED & INSTALLED IAW HX RS R-57-20-37052, REV A & EO B747-5740-42420-A ORG MAT IS 0.036"(0.016"+0.020") BMS-69 TYPE VIII WORN AREA 0.7"X1.3".  THIS REPAIR IS CLASSIFIED AS A MAJOR REPAIR WITH CLAD 2024T3-0.040" AS UNIFORM WEB & RING DOUBLER REPAIR.  REPLACEMENT WEB.

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