# SDR UIEA201000003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2010
- Submitted: February 17, 2010
- Operation: Air carrier
- Aircraft: [N408MC](https://openairdocs.org/aircraft/N408MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29261
- Aircraft time: 47,704 hours, 7,409 cycles
- System (JASC): [7810 · Engine Collector/Tailpipe/Nozzle](https://openairdocs.org/jasc/7810)
- Part: Sleeve
- Condition: Dented
- Location: Lt Exhaust
- 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/UIEA201000003

## Discrepancy

A DENT WAS FOUND ON THE NR 4 ENG LT EXHAUST SLEEVE, AT THE 9 O'CLOCK LOCATION NEAR NAC STA 349-236.  MANUFACTURER PROVIDED INSPECTION TIMELINE OF REF/D/AND PERFORM FPI INSPECTION PER BAC 5423 TO ENSURE NO CRACKS ARE PRESENT ON NOTED DENT.  REPEAT INSPECTION EVERY 1300 FLIGHT HOURS PER EO4470A118 PART 2 UNTIL NEXT "C" CHECK.

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