# SDR DL76G050514

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2005
- Submitted: September 14, 2005
- Operation: Air carrier
- Aircraft: [N169DZ](https://openairdocs.org/aircraft/N169DZ), registered now
- Make and model: Boeing 767332
- Aircraft serial: 29689
- Aircraft time: 33,879 hours, 5,402 cycles
- System (JASC): [3444 · Ground Proximity System](https://openairdocs.org/jasc/3444)
- Part: Iru
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: S
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL76G050514

## Discrepancy

AFTER T/O IRUS DID NOT RADIO UPDATE.  IRU POSITION SHOWED APPROX 200 MILES FROM FIRST WAYPOINT.  PERFORMED FULL IRU ALIGNMENT.  ALL 3 IRUS CHECKS OK PER AMM.  PERFORMED FMS TEST, ALL INPUTS OK.  FMS MONITOR TEST OK.

---
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.