SDR UPS204319

Service difficulty report · Indicator · Boeing 727180C

Difficulty date: August 23, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N921UP
Make and model: Boeing 727180C
Aircraft serial: 19874
System (JASC): 3260 · Landing Gear Position and Warning
Part: Indicator
Condition: Inop
Location: Main Gear
Stage of operation: DE
Nature of condition: P
Precautionary procedure: O

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

What was found

PILOT REPORTED RIGHT MAIN GEAR DOWN AND LOCKED GREEN INDICATING LIGHT DID NOT COME ON AFTER GEAR EXTENDED. CHECKED LIGHT BULBS AFTER RECYCLING GEAR, AND FOUND BOTH NOT WORKING. REPLACED ONE BULB AND INDICATOR WORKED. MAINTENANCE REPLACED BOTH BULBS, AND R-13 (RIGHT MAIN GEAR DOWNLOCK DELAY) AS A PRECAUTION. PINNED AND CYCLED GEAR SEVERAL TIMES. CHECKS OK AS PER MM 32-61-21.