# SDR 97ZZZX3088

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N252ZA](https://openairdocs.org/aircraft/N252ZA), registered now
- Make and model: Mooney M20K
- Registry model: [Mooney M20K](https://openairdocs.org/model/mooney-m20k) (OpenAirDocs)
- Aircraft serial: 251072
- Engine: Cont TSIO360MB
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Impulse Cam
- Part number: 104001676
- Condition: Cracked
- Location: Mag
- Part time: 328 hours
- 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/97ZZZX3088

## Discrepancy

HEARD LOUD POP WHEN INSTALLING IMPULSE ASSEMBLY WHEN 15 POUNDS/FOOT OF TORQUE WAS REACHED.  REMOVED AND FOUND INNER HUB OF IMPULSE CRACKED IN THREE PLACES.

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