SDR GLBA20100716A

Service difficulty report · Downlock Switch · Beech 1900D

Difficulty date: July 16, 2010
Submitted: July 20, 2010
Operation: Air carrier
Aircraft: N240GL
Make and model: Beech 1900D
Aircraft serial: UE240
Aircraft time: 29,560 hours, 36,419 cycles
System (JASC): 3260 · Landing Gear Position and Warning
Part: Downlock Switch
Part number: MS272401
Condition: Failed
Location: Nlg
Stage of operation: DE
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

PILOT REPORTED THAT NOSE GEAR ANNUNCIATOR FAILED TO ILLUMINATE ON GEAR EXTENSION, PILOTS CONFIRMED THERE WAS A POSITIVE PRESSURE USING THE MANUAL EXTENSION PUMP IN CASE IT WOULD BE REQUIRED, GEAR WAS DOWN AND LOCKED, MANUAL EXTENSION WAS NOT PERFORMED. MAINTENANCE REPLACED THE NOSE GEAR DOWN LOCK SWITCH IAW MM 32-60-04, OPS CHECK GOOD.

More about the Beech 1900D