Service difficulty report · Latch · Beech 1900D

Difficulty date
August 8, 2006
Submitted
September 13, 2006
Operation
Air carrier
Aircraft
N173YV
Make and model
Beech 1900D
Aircraft serial
UE173
Aircraft time
18,551 hours, 33,973 cycles
Engine
Pwa PT6A67D
Part
Latch
Part number
B14004A
Condition
Malfunctioned
Location
Zone 400
Component
Cowl · Beech
Component part number
118910026103
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

DURING CRUISE, A PASSENGER REPORTED TO THE CREW THAT THE RT FWD COWLING HAD COME LOOSE. WHEN THE CREW LANDED, THEY NOTED A YAW UPON TOUCHDOWN. THE IB FWD COWL LATCH HAD COME LOOSE FIRST, ALLOWING THE COWLING TO CONTACT THE SPINNER SCREWS. THE IB AFT COWL LATCH THEN CAME LOOSE, THE COWL THEN CONTACTED THE WIRING BUNDLE, PREVENTING IT FROM RISING ANY HIGHER. THE COWL LATCH WAS VERIFIED LATCHED CORRECTLY BY EXTERNAL METHODS BY 3 SEPARATE PERSONNEL. IT IS SURMISED THE LATCH CONTACTED THE CROSS PIN AT THE TOP OF THE (J), AND LATCHED THERE INSTEAD OF SEATING IN THE BOTTOM OF THE (J). THERE IS NO WAY TO VERIFY THIS WITH THE COWLING INSTALLED. THE ALIGNMENT MARKS WILL LINE UP CORRECTLY. THE UPPER AND LOWER FWD COWLS W

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