# SDR 97ZZZM504

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 6, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N553NA](https://openairdocs.org/aircraft/N553NA), registered now
- Make and model: Boeing 727-2J7
- Registry model: [Boeing 727-2J7](https://openairdocs.org/model/boeing-727-2j7) (OpenAirDocs)
- Aircraft serial: 20707
- System (JASC): [7110 · Engine Cowling System](https://openairdocs.org/jasc/7110)
- Part: Cowl
- Condition: Cracked
- Location: Nr 3 Engine
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZM504

## Discrepancy

NR 3 ENGINE FIXED COWL FORWARD UPPER OUTER SKIN IS CRACKED 3 INCHES IN LENGTH 3H.  REMOVED SECTION OF UPPER FORWARD OUTER SKIN 21 INCHES BY 1.3125 INCHES BY 11.25 INCHES FROM NR 3 ENGINE FIXED COWLING.  FABRICATED NEW SECTION OF SKIN OUT OF 2024-T3 .032.  DRILLED NEW SECTION OF SKIN AND COUNTERSUNK AND DEBURRED.  TREATED AND PRIMED, INSTALLED REPAIR IAW SRM 51-10-1, 51-10-2, 51-10-6 AND FED EX DRAWING IM-72753HW.

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