# SDR CALA2022011800172

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2022
- Submitted: January 19, 2022
- Operation: Air carrier
- Aircraft: [N653UA](https://openairdocs.org/aircraft/N653UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25391
- Aircraft time: 114,620 hours, 17,771 cycles
- System (JASC): [3413 · Rate of Climb Indicator](https://openairdocs.org/jasc/3413)
- Part: Altimeter
- Part number: 403989290
- Part serial: 97064092
- Condition: Fluctuates
- Location: Captain'S
- Stage of operation: CR
- How discovered: O
- Nature of condition: S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022011800172

## Discrepancy

CAPTAINS ALTIMETER WOULD SHOW ALTITUDE BOUNCING UP TO 200FT DURI NG FLIGH T IN LEVEL FLIGHT. CAPTAIN''S ALTIMETER REPLACED IAW AMM. 34-13-01-404-004. ALL OPS NORMAL. ADD EMP:314121 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1152089  SN OFF 2356 IPC REFERENCE # 31-11-11-27

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