# SDR 99ZZZX4085

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N184UX](https://openairdocs.org/aircraft/N184UX), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE184
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Altimeter
- Condition: Malfunctioned
- Location: Lt Cockpit
- Component: Alidsg
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX4085

## Discrepancy

CAPTAIN'S ALTIMETER READS 80 FEET - 100 FEET HIGH AT ALL ALTITUDES AND ENCODER TRANSITION POINTS ARE OUT OF TOLERANCE. REMOVED AND REPLACED ALTIMETER.  BENCH TEST VERIFIED ALTIMETER TO BE INDICATING 80 FEET HIGH AT 1,500 FEET AND 110 FEET HIGH AT 10,000 FEET.  COMP P/N KEA-346/066-03062-00.  (X)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
