# SDR IPXA1666741

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2011
- Submitted: May 20, 2011
- Operation: Air carrier
- Aircraft: [N315UP](https://openairdocs.org/aircraft/N315UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 27743
- System (JASC): [3440 · Independent Position Determining System](https://openairdocs.org/jasc/3440)
- Part: Display
- Part number: 6227999003
- Part serial: 5269
- Condition: Failed
- Location: Cockpit
- Stage of operation: CL
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA1666741

## Discrepancy

ATB - ON CLIMB OUT LOST CAPT'S EHSI SCREEN, ALT SELECTED STILL NO SCREEN. APPROX 2 MINUTES LATER CAPT LOST EADI THEN UPPER EICAS SCREEN.  AFTER 30 SECONDS, BOTH CAPT AND F/O SMELLED ELECTRICAL BURNING.  FOUND SLIGHT WATER CONDENSATION ON CAPTS EHSI.  R & R SAME IND IAW AMM 34-22-04-4. OPS CK OK.  ALSO, OPS CHECKED EICAS DISPLAYS IAW AMM 31-41-01-4.

---
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.
