# SDR DL757021121

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2002
- Submitted: October 3, 2002
- Operation: Air carrier
- Aircraft: [N684DA](https://openairdocs.org/aircraft/N684DA), registered now
- Make and model: Boeing 757232
- Aircraft serial: 27104
- Aircraft time: 33,017 hours, 16,102 cycles
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Iru
- Part number: HG1050AD05
- Part serial: 7996
- Condition: Failed
- Location: E/E Bay
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL757021121

## Discrepancy

ON T/O FMC SCRATCH PAD-IRS NOTATION WITH BOTH YAW DAMPS AND FMC FAILURE MSGS.  REPLACED CENTER IRU, ALIGMENT OK.

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