# SDR CALA2017122804630

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2017
- Submitted: December 28, 2017
- Operation: Air carrier
- Aircraft: [N36207](https://openairdocs.org/aircraft/N36207), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30579
- Aircraft time: 57,122 hours, 20,250 cycles
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Altimeter
- Part number: WL102AMS3
- Part serial: 0753
- Condition: Out Of Tolerance
- Location: Standby
- Part time: 54,564 hours, 19,366 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2017122804630

## Discrepancy

STANDBY ALTIMETER PROBLEM,  STAND BY ALTIMETER SHOWS 1200 FT LOWER THAN ALTIMETER 1 OR 2.  R & R THE STANDBY ALTIMETER - AIRSPEED INDICATOR, OPS CHECKED GOOD. VERIFIED QUICK DISCONNECT FITTINGS IAW GMM & AMM 34-13-01.

---
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.