Service difficulty report · Sensor · Boeing 737401

Difficulty date
December 22, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N421US
Make and model
Boeing 737401
Aircraft serial
23988
Part
Sensor
Part number
189929
Condition
Out Of Adjust
Location
Lt Mlg
Stage of operation
CL
Nature of condition
N
Precautionary procedure
O

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

What was found

PIT - PILOT REPORTED THE LEFT MAIN LANDING GEAR UNSAFE LIGHT REMAINED ILLUMINATED AFTER GEAR RETRACTION. CREW RECYCLED GEAR AND LIGHT EXTINGUISHED. FLIGHT CONTINUED AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND EXCESSIVE GAP ON LEFT MAIN LANDING GEAR UPLOCK SENSOR. REPLACED SENSOR AND ADJUSTED PER MM 32-61-00. SWUNG GEAR SEVERAL TIMES. OPERATIONAL CHECK GOOD. ALL GEAR INDICATIONS NORMAL. (M)