# SDR AALA2019101759022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2019
- Submitted: October 29, 2019
- Operation: Air carrier
- Aircraft: [N967AN](https://openairdocs.org/aircraft/N967AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29545
- Aircraft time: 55,820 hours, 23,029 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Switch
- Part number: MS250112
- Condition: Failed
- Location: Mlg
- Stage of operation: CL
- How discovered: V
- Nature of condition: S
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2019101759022

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS LANDING GEAR DID NOT RETRACT AFTER TAKEOFF, LANDING WEIGHT 150.0 LBS NORMALLANDING SINK RATE 200 FMP. MAINTENANCE CHECKED ALTERNATE GEAR DOOR SWITCH AND CLEANED IAW AMM 32-34-00. CHECKED FRANGIBLE FITTINGS IAW AMM 32-32-52. CHECKED OPERATION OF MLG ACTUATORS IAW AMM 32-32-11. ALL CHECKS NORMAL AND NO FAULTS NOTED. ***SUPPLEMENTAL INFORMATION: MAINTENANCE PERFORMED FIM 32-30-00 AND REPLACED MANUAL EXTENSION SYS ACCESS DOOR SWITCH IAW AMM 32-34-11 AND REPAIR CONFIRMATION FIM 32-30-00-810-815 THE LANDING GEARS EXTENSION AND RETRACT IS OK.*** (CLOSED)

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