# SDR UIEA2021022100376

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 25, 2021
- Submitted: March 1, 2021
- Operation: Air carrier
- Aircraft: [N409MC](https://openairdocs.org/aircraft/N409MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 30558
- Aircraft time: 85,236 hours, 13,520 cycles
- System (JASC): [5411 · Nacelle/Pylon, Frame/Spar/Rib](https://openairdocs.org/jasc/5411)
- Part: Frame
- Condition: Chafed
- Location: Nr 2 Nacelle
- 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/UIEA2021022100376

## Discrepancy

NO.2 ENG L/H CORE COWL AFT FRAME MID AND LOWER CLEARANCE HOLE FOUND 2EA CHAFING MARK.(<P>NO.2 ENG LH CORE COWL AFT FRAME MID AND LOWER CLEARANCE HOLE CHAFED AREA REPAIRED AS PER SRM 54-45-01-2R-10 REPAIR 10.</P>)

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