# SDR UIEA2025051200599

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2025
- Submitted: May 12, 2025
- Operation: Air carrier
- Aircraft: [N747BC](https://openairdocs.org/aircraft/N747BC), registered now
- Make and model: Boeing 747-4J6
- Registry model: [Boeing 747-4J6](https://openairdocs.org/model/boeing-747-4j6) (OpenAirDocs)
- Aircraft serial: 25879
- Aircraft time: 55,103 hours, 12,923 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/UIEA2025051200599

## Discrepancy

CORROSION - BEAM L/H WING OUTBD L/E LOWER PNL FWD SUPPORT BEAM INNER FACE OLES 1552.(<P>1. BLENDED OUT THE DAMAGE AREA IAW SRM 51-10-02-0G-0 REV 60. 2. PFM NDT INSP REFER TO JOB CARD ATTACHING SHEET 0473659. 3. MEASURED REWORK AREA D= 0.003", L= 0.5", W= 0.4", IT WAS ALLOWABLE IAW SRM 57-41-13-1A-1 DEATIL V REV 60. 4. APPLY PROTECTIVE COATING AT REWORK AREA IAW SRM 51-20-01-0G-0 REV 60. 5. JOB COMPLETED.</P>)

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