# SDR KCSA20220411

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2022
- Submitted: April 12, 2022
- Operation: Air carrier
- Aircraft: [N743CK](https://openairdocs.org/aircraft/N743CK), registered now
- Make and model: Boeing 747
- Aircraft serial: 26350
- Aircraft time: 112,888 hours, 17,986 cycles
- System (JASC): [3231 · Landing Gear Door Retract Section](https://openairdocs.org/jasc/3231)
- Part: None
- Condition: None
- Component: Landing Gear Mo
- Component part number: 257U000231
- Stage of operation: AP
- How discovered: C
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KCSA20220411

## Discrepancy

GEAR DISAGREE ON GEAR EXTENSION. ALL GEAR INDICATED DOWN.

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