SDR AALA202104139012

Service difficulty report · Switch · Boeing 737823

Difficulty date: April 12, 2021
Submitted: April 14, 2021
Operation: Air carrier
Aircraft: N337PJ
Make and model: Boeing 737823
Aircraft serial: 33345
Aircraft time: 11,373 hours, 4,642 cycles
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Switch
Condition: Out Of Position
Location: Manual Extend
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS GROUNDED: LANDING GEAR FAILED TO RETRACT ON TAKEOFF, FLIGHT RETURNED TO FIELD; DISCOVERED FIRE EXTINGUISHER FELL FROM MOUNT, HITTING ALTERNATE EXTENSION HANDLE DOOR AND TRIGGERING MICROSWITCH. CLOSED MANUAL EXTENSION DOOR AND PERFORMED FUNCTIONAL TEST IAW AMM 32-32-00, OPS CHECK GOOD.