# SDR 99ZZZX2472

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N76HR](https://openairdocs.org/aircraft/N76HR), registered now
- Make and model: Amtr HARMONRCKTII
- Aircraft serial: 74
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Encoder
- Part number: 202
- Condition: Malfunctioned
- Location: Altimeter
- Component: 202
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX2472

## Discrepancy

ATC REPORTED ENCODER WAS INACCURATE.  REMOVED ENCODER AND SENT TO MANUFACTURER FOR REPAIRS.  RECEIVED, RE-INSTALLED, AND PERFORMED CORRELATION TEST IAW FAR 91:413.  ENCODER IS NOW REPORTING PROPERLY.

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