# SDR DL76L100541

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2010
- Submitted: March 8, 2010
- Operation: Air carrier
- Aircraft: [N177DN](https://openairdocs.org/aircraft/N177DN), registered now
- Make and model: Boeing 767332
- Aircraft serial: 25122
- Aircraft time: 90,658 hours, 13,459 cycles
- System (JASC): [3440 · Independent Position Determining System](https://openairdocs.org/jasc/3440)
- Part: Iru
- Condition: Malfunctioned
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL76L100541

## Discrepancy

L IRU FAULT ON TAXI OUT.  SWAPPED LT AND RT IRU. FED RT IRU MCO AND PLAC PER MEL 34-21-01C.   ETOPS CATEGORY 'E': PROBLEMS WITH SYSTEMS CRITICAL TO ETOPS

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