# SDR CALA2025052004858

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2025
- Submitted: May 20, 2025
- Operation: Air carrier
- Aircraft: [N16701](https://openairdocs.org/aircraft/N16701), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28762
- Aircraft time: 83,211 hours, 30,209 cycles
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Adiru
- Part number: HG2050AC07
- Part serial: 100021833
- Condition: Faulted
- Location: Zone 200
- Part time: 74,509 hours, 19,766 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025052004858

## Discrepancy

LEFT IRS LIGHT ON. AFFECTED MULTIPLE SYSTEMS.  REMOVED AND REPLACED LEFT ADIRU PER AMM 34-21-01-400-801.

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