Service difficulty report · Uplock Sensor · Boeing 737301

Difficulty date
June 9, 2002
Submitted
June 18, 2002
Operation
Air carrier
Aircraft
N575US
Make and model
Boeing 737301
Aircraft serial
23740
Part
Uplock Sensor
Part number
189929
Condition
Faulty
Location
Mlg
Stage of operation
NR
How discovered
O
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

ENROUTE, THE LEFT MAIN LANDING GEAR UNSAFE LIGHT ILLUMINATED. CREW FOLLOWED QUICK REFERENCE HANDBOOK PROCEDURES AND REPORTED THE GEAR OPERATED NORMALLY. LIGHT EXTINGUISHED WHEN GEAR HANDLE WAS PLACED TO DOWN POSITION. FLIGHT CONTINUED AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE TROUBLESHOT PROBLEM TO THE LEFT MAIN LANDING GEAR UPLOCK SENSOR. REMOVED AND REPLACED UPLOCK SENSOR. OPERATIONAL CHECK GOOD.