# SDR DHL9974021C

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N740DH
- Make and model: Boeing 727-2Q9
- Registry model: [Boeing 727-2Q9](https://openairdocs.org/model/boeing-727-2q9) (OpenAirDocs)
- Aircraft serial: 21930
- System (JASC): [7110 · Engine Cowling System](https://openairdocs.org/jasc/7110)
- Part: Cowl
- Condition: Cracked
- Location: Nr 1 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/DHL9974021C

## Discrepancy

AT C CHECK, NR 1 ENGINE LOWER COWL NR 5 RIB AFT OF OIL BREATHER HAS HOLE WORN THROUGH.  INSTALLED ANGLE REPAIR PER SRM 54-10-3, 3 BY 18, N/R 6341.

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