SDR 95ZZZW128

Service difficulty report · Unsafe Light · Boeing 727155C

Difficulty date: February 7, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N715DH
Make and model: Boeing 727155C
Aircraft serial: 19618
System (JASC): 3260 · Landing Gear Position and Warning
Part: Unsafe Light
Condition: Illuminated
Location: Lt Mlg
Stage of operation: LD
Nature of condition: N
Precautionary procedure: L

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

What was found

DURING GEAR EXTENSION, LT MAIN RED UNSAFE LIGHT ON, GREEN LIGHT OUT. FOLLOWING MANUAL GEAR EXTENSION PROCEDURE, CRANK WOULD NOT MOVE. APPLYING PRESSURE EXTINGUISHED LIGHT AND ILLUMINATED GREEN LIGHT. MANUAL GEAR INDICATOR SHOWED GEAR DOWN. COLD WEATHER SENSOR PROBLEM SUSPECTED. PERFORMED GO AROUND, AND LANDED WITHOUT INCIDENT. OPS CHECK INDICATING SYSTEM, IAW BOEING MM 32-61-21 PG 501 AND 502. NO DEFECTS FOUND.