# SDR AMTA200600449

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2006
- Submitted: August 8, 2006
- Operation: Air carrier
- Aircraft: [N522AT](https://openairdocs.org/aircraft/N522AT), registered now
- Make and model: Boeing 757-23N
- Registry model: [Boeing 757-23N](https://openairdocs.org/model/boeing-757-23n) (OpenAirDocs)
- Aircraft serial: 29330
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Iru
- Part number: S242T101112
- Part serial: 98103102
- Condition: Malfunctioned
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AMTA200600449

## Discrepancy

IRS FAULT LIGHT ILLUMINATED ON LANDING (CENTER).  UNABLE TO DUPLICATE ON GROUND.  IAW GMM CH 8, SWAPPED RT AND CTR IRU`S FOR TROUBLESHOOTING.  REMOVAL AND INSTALLATION IAW MM.  SYSTEMS OPS CHECK NORMAL CURRENT RT POS: PN S242T1010-112, SN 98103102.  (K)

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