# SDR UIEA2020031700473

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2020
- Submitted: March 17, 2020
- Operation: Air carrier
- Aircraft: [N415MC](https://openairdocs.org/aircraft/N415MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 32837
- Aircraft time: 69,453 hours, 11,922 cycles
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Skin
- Condition: Debonded
- Location: Rt 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/UIEA2020031700473

## Discrepancy

DISBOND - SKIN, OUTBD SIDE OF R/H WING INBD AILERON T/E SKIN, WBL 515.(<P>REMOVE THE DAMAGE MATERIAL AND CLEAN. MEASURE THE DAMAGED AREA (L = 2", W = 0.1", 1" FROM OUTBD EDGE AT AFT EDGE). BOND REPAIR PLIES WITH RESIN. CURE AT 150 DEGREES F FOR 180 MINUTES. KEEP A MINIMUM VACUUM PRESSURE AT 22 IN/HG, IAW B747-400F SRM 57-60-01-2R-1. REFER TO SRM 51-70-06-0G-0 REV. 88. CONDITION CHECK IS SATISFACTORY.</P>)

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