Service difficulty report · Downlock · Beech C99

Difficulty date
October 29, 2015
Submitted
November 3, 2015
Operation
Air carrier
Aircraft
N230BH
Make and model
Beech C99
Aircraft serial
U233
Aircraft time
19,205 hours, 28,633 cycles
Part
Downlock
Part number
1018101091
Part serial
AMF180
Condition
Broken
Location
Rt Mlg
Part time
6,972 hours, 5,424 cycles
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

ON APPROACH TO AIRPORT, THE PILOT EXTENDED THE LG & DID NOT RECEIVE A DOWN & LOCKED INDICATOR LIGHT ON THE RT MLG, THE RED GEAR UNSAFE LIGHT WAS ILLUMINATED & THE GEAR WARNING HORN WAS SOUNDING BELOW 84% RPM. THE PILOT PERFORMED AN EMER LG EXTENSION PROCEDURES WITH THE SAME RESULTS. THE ACFT WAS DIVERTED, UPON LANDING, RT MLG COLLAPSED. THE PILOT WAS NOT INJURED. THE ACFT WAS RECOVERED FROM THE RUNWAY. INSPECTED THE RT MLG & FOUND THE DOWNLOCK BROKEN ON THE RT MLG DRAG BRACE, CAUSING THE GEAR TO COLLAPSE.

More about the Beech C-99