# SDR UIEA2025111801302

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2025
- Submitted: November 21, 2025
- Operation: Air carrier
- Aircraft: [N249BA](https://openairdocs.org/aircraft/N249BA), registered now
- Make and model: Boeing 747409
- Aircraft serial: 24309
- Aircraft time: 88,550 hours, 16,833 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Beam
- Condition: Corroded
- Location: Zone 500
- 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/UIEA2025111801302

## Discrepancy

CORROSION- BEAM, LT WING INBD L/E CAVITY LOWER PNL FWD SUPPORT BEAM INNER FACE, ILES 942.   BLENDED OUT THE DAMAGED AREA IAW SRM 51-10-02-0G-0 REV 61.  PERFORMED NDT INSPECTION, REFER TO JOB CARD ATTACHING SHEET  0462386. MEASURED REWORK AREA LENGTH = 1.8", WIDTH = 1", DEPTH = 0.005" ALLOWABLE IAW SRM 57-41-13-1A-1, FIG 101, DETAIL V, REV 61. APPLY PROTECTIVE COATING IAW SRM 51-20-01-0G-0, REV 61.

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