SDR AALA201711079038

Service difficulty report · Switch · Boeing 737823

Difficulty date: November 3, 2017
Submitted: November 8, 2017
Operation: Air carrier
Aircraft: N922NN
Make and model: Boeing 737823
Aircraft serial: 29574
Aircraft time: 15,192 hours, 5,994 cycles
System (JASC): 3260 · Landing Gear Position and Warning
Part: Switch
Condition: Faulty
Location: Zone 700
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

THE AIRCRAFT WAS NOT GROUNDED. GEAR DID NOT RETRACT AFTER TAKEOFF. CYCLED MANUAL GEAR EXTENSION ACCESS DOOR AND GEAR RETRACTED NORMAL. THE FLIGHT CONTINUED TO MIA WITHOUT FURTHER INCIDENT. FOUND CONDITION ATTRIBUTED TO MANUAL EXTENSION SWITCH S1060 IN THE DOOR OPEN POSITION. IAW 32-30-00 FIM AS POSSIBLE CAUSES. VERIFIED NORMAL POSITION OF MANUAL GEAR EXTENSION ACCESS DOOR AND NO OBSTRUCTION ON SWITCH.