# SDR 99ZZZX1630

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [Embry-Riddle Aeronautical University Inc, repair station NX42404M](https://openairdocs.org/faa-repair-station/NX42404M/embry-riddle-aeronautical-university-inc.md) (OpenAirDocs)
- Aircraft: N478ER
- Make and model: Cessna 172R
- Registry model: [Cessna 172R](https://openairdocs.org/model/cessna-172r) (OpenAirDocs)
- Aircraft serial: 17280623
- Engine: Lyc IO360L2A
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Screw
- Condition: Loose
- Location: Magneto
- Part time: 481 hours
- Component: Slick, 4371
- 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/99ZZZX1630

## Discrepancy

BOTH DISTRIBUTOR BLOCK SCREWS AND BREAKER POINT PIVOT SCREW FOUND LOOSE DURING FIRST 500-HOUR INSPECTION.

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