# SDR FDEA201803070639

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2018
- Submitted: March 13, 2018
- Operation: Air carrier
- Aircraft: [N115FE](https://openairdocs.org/aircraft/N115FE), registered now
- Make and model: Boeing 767-3S2F
- Registry model: [Boeing 767-3S2F](https://openairdocs.org/model/boeing-767-3s2f) (OpenAirDocs)
- Aircraft serial: 42713
- Aircraft time: 5,599 hours, 2,271 cycles
- System (JASC): [3414 · Airspeed/Mach Indicator](https://openairdocs.org/jasc/3414)
- Part: Module
- Condition: Malfunctioned
- Location: Air Data
- Stage of operation: CL
- 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/FDEA201803070639

## Discrepancy

CAPT ALTIMETER INDICATING 300' LOW DURING CLIMB AFTER 18,000' AT FL340 AND AFTER DESCENT TO FL280.  ERROR WENT AWAY AFTER 15-20 MINUTES F/O & STBY ALT INDICATED SAME READING.  REMOVED AND REPLACED CAPTAINS AIR DATA MODULE PER                                 AMM 34-26-03-4 OPS CHECK GOOD  A/C OK TO CONTINUE

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