SDR 9712352704

Service difficulty report · Uplock Sensor · Boeing 727225

Difficulty date: June 21, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N801EA
Make and model: Boeing 727225
Aircraft serial: 22432
System (JASC): 3260 · Landing Gear Position and Warning
Part: Uplock Sensor
Condition: Failed
Location: Lt Mlg
Stage of operation: CL
Nature of condition: N
Precautionary procedure: A

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

What was found

DURING CLIMB ON GEAR RETRACTION, RED AND GREEN LEFT GEAR INDICATION LIGHTS FLICKERED. AIRCRAFT RETUNRED TO DEPARTING AIRPORT AND LANDED WITHOUT INCIDENT. REPLACED UP AND DOWN LOCK SENSORS, ADJUSTED SWITCH AIR GAP, AND PERFORMED GEAR SWING, OPERATIONAL CHECK OK.