# SDR IPXA2024021968385

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2024
- Submitted: March 6, 2024
- Operation: Air carrier
- Aircraft: [N581UP](https://openairdocs.org/aircraft/N581UP), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 25866
- Aircraft time: 125,147 hours, 21,075 cycles
- System (JASC): [5755 · Spoilers](https://openairdocs.org/jasc/5755)
- Part: Skin
- Condition: Debonded
- Location: Rt Nr 9 Spoiler
- Component: Spoiler
- Component part number: 658002501
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2024021968385

## Discrepancy

MAJOR REPAIR,   DISBOND - SKIN PNL , RH WING NO.9 SPOILER UPPER SURFACE.  INSTALL DOUBLER WITH FILM ADHESIVE AND CURED AT 250°F FOR 100 MINUTES WITH MINIMUM VACUUM OF 22 IN/HG I.A.W. 747-400F SRM 51-70-10-2R-0 PARAGRAPH 18 & 20 REV.99.

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