# SDR UIEA2026041900219

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2026
- Submitted: May 27, 2026
- Operation: Air carrier
- Aircraft: [N477MC](https://openairdocs.org/aircraft/N477MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29255
- Aircraft time: 108,821 hours, 19,065 cycles
- System (JASC): [5411 · Nacelle/Pylon, Frame/Spar/Rib](https://openairdocs.org/jasc/5411)
- Part: Frame
- Condition: Chafed
- Location: Zone 400
- 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/UIEA2026041900219

## Discrepancy

2L CORE COWL INNER FRAME AT 8 O'CLOCK FOUND CHAFING(<P>FRAME CHAFING AREA REPAIRED AS PER SRM 54-45-02-2R-1 REPAIR 1 REV 106 DATE: 20 FEB 2026 AND ATLAS AIR EA-1971A-270 REV 0. NO FURTHER DEFECTS NOTED</P>)

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