# SDR 3NXA20240131002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2024
- Submitted: January 31, 2024
- Operation: Air carrier
- Aircraft: [N90SJ](https://openairdocs.org/aircraft/N90SJ), registered now
- Make and model: Cessna 525B
- Registry model: [Cessna 525B](https://openairdocs.org/model/cessna-525b) (OpenAirDocs)
- Aircraft serial: 525B0183
- Aircraft time: 4,743 hours, 3,618 cycles
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Battery Pack
- Part number: 501171201
- Part serial: 80909
- Condition: Failed Insp
- Location: Stdby Gyro
- Part time: 2,038 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/3NXA20240131002

## Discrepancy

STANDBY GYRO BATTERY PACK FAILED CAP CHECK. R&R WITH OVERHAULED UNIT P/N 501-1712-01. OPS CHECK GOOD

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