# SDR CALA2017010900045

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2017
- Submitted: January 10, 2017
- Operation: Air carrier
- Aircraft: [N27246](https://openairdocs.org/aircraft/N27246), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28956
- Aircraft time: 53,469 hours, 19,649 cycles
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Altimeter
- Condition: Erratic
- Location: Cockpit
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2017010900045

## Discrepancy

STANDBY ALTIMETER STICKS. INDICATES 340 WHEN ACFT IS 335. THEN JUMPS 500 FEET RESET OPEN C/B PER AMM TASK 20-60-01-860-801. OPS CHECKED NORMAL.

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