# SDR IPXA2026092347719

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2026
- Submitted: September 23, 2026
- Operation: Air carrier
- Aircraft: [N612UP](https://openairdocs.org/aircraft/N612UP), registered now
- Make and model: Boeing 747-8F
- Registry model: [Boeing 747-8F](https://openairdocs.org/model/boeing-747-8f) (OpenAirDocs)
- Aircraft serial: 64258
- Aircraft time: 30,929 hours, 4,526 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Flap Track
- Part number: 113U951221
- Condition: Debonded
- 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/IPXA2026092347719

## Discrepancy

DISBOND-SKIN,LOWER FACE OF LT WING NR 4 FLAP TRACK AFT FAIRING.  IAW  SRM 57-53-70-2R-1 REFER TO SRM 51-70-05-2R-1 REV.49 PERFORM REPAIR AS BELOW STEP:1.1 REMOVE THE DISBOND MATERIALS AND CLEAN.1.2 MEASURE THE DAMAGE AREA (DIA:1", 21.5" FROM UPPER EDGE, 47" FROM AFT EDGE).1.3 BOND THE REPAIR PLIES WITH FILM ADHESIVE CURED AT 260°F FOR 130 MINUTES WITH MINIMUM VACUUM OF 22 IN/HG.2.CONDITION CHECK IS SATISFACTORY.

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