# SDR 99ZZZX2577

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N9886F](https://openairdocs.org/aircraft/N9886F), registered now
- Make and model: Cessna 172R
- Registry model: [Cessna 172R](https://openairdocs.org/model/cessna-172r) (OpenAirDocs)
- Aircraft serial: 17280151
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Altimeter
- Part number: 5934P3
- Condition: Failed
- Location: Cockpit
- Part time: 17 hours
- Stage of operation: IN
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX2577

## Discrepancy

ALTIMETER MANUFACTURED BY UNITED INSTRUMENTS, INC.,  ALTIMETER FAILED AFTER EFFECT REQUIREMENTS FOR BI-ANNUAL CERTIFICATION WHEN ONLY 20.7 HOURS TOTAL TIME.

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