# SDR UIEA2022042000342

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2022
- Submitted: May 3, 2022
- Operation: Air carrier
- Aircraft: [N473MC](https://openairdocs.org/aircraft/N473MC), registered now
- Make and model: Boeing 747
- Aircraft serial: 27174
- Aircraft time: 111,020 hours, 19,942 cycles
- System (JASC): [7100 · Powerplant System](https://openairdocs.org/jasc/7100)
- Part: None
- Condition: None
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2022042000342

## Discrepancy

NO.1 ENG R/H CORE COWL EXHAUST DUCT INLET EDGE AREA FOUND CHAFING ( P/N 224-2302-545 )(<P>NO.1 ENG R/H CORE COWL ( P/N : 224-2302-545 S/N : 325001 ) EXHAUST DUCT INLET EDGE CHAFING AREA WELD REPAIRED AND DOUBLER ( P/N : 224M4762-3 )  REPLACED IAW EO 1971A278-1.</P>)

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