# SDR WTW2004F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2004
- Submitted: May 26, 2004
- Operation: Air carrier
- Aircraft: [N66619](https://openairdocs.org/aircraft/N66619), registered now
- Make and model: Beech 58
- Registry model: [Beech 58](https://openairdocs.org/model/beech-58) (OpenAirDocs)
- Aircraft serial: TH1070
- Engine: Cont IO520*
- System (JASC): [7111 · Engine Cowl Flaps](https://openairdocs.org/jasc/7111)
- Part: Channel
- Part number: 9632405535
- Condition: Broken
- Location: Cowl Flap
- Part time: 8,388 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WTW2004F00000

## Discrepancy

PILOTS REPORTED COWL FLAP HANDLE BROKE IN THEIR HAND WHEN THE COWL FLAPS WERE CLOSED.  INSPECTION REVEALED THE LEVER PN 96324055-33 WORE AGAINST THE DETENT PLATE PN 96-324055-163 AND CUT A GROOVE IN THE LEVER.  FURTHER INSPECTION REVEALED THE CHANNEL PN 96-324055-35 HAD CRACKED IN 3 PLACES.  THE OTHER LEVER HAD A WEAR MARK STARTING IN IT FROM THE DETENT PLATE.

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