# SDR CA990728066

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 2, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Boeing 727217
- Engine: Pwa JT8D17
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Altimeter
- Part number: WL1103AMMS10
- Condition: Failed
- Location: Cockpit
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA990728066

## Discrepancy

(CAN) CAPTAIN'S ALT FLUCTUATES BY UP TO 1,000 FEET IN CLIMB AND CRUISE.  REPLACED.

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