Service difficulty report · Bolt · Lear 35A

Difficulty date
November 6, 2001
Submitted
December 4, 2001
Operation
Air carrier
Aircraft
N351TX
Make and model
Lear 35A
Aircraft serial
127
Aircraft time
16,155 hours, 12,907 cycles
Engine
Garrtt TFE73122B
Engine time
15,319 hours, 12,579 cycles
Part
Bolt
Part number
MS217904
Condition
Backed Out
Location
Rt Engine
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
E, A

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

What was found

NR 2 ENGINE OIL LOSS AND OIL PRESSURE LOSS. BOLT THAT HOLDS KEEPER FOR OIL TUBE TO OIL COOLER BACKED OUT AND ALLOWED OIL TO LEAK. ENGINE WAS SHUT DOWN IN CRUISE FLIGHT AND LANDED AS SOON AS PRACTICAL. BOLT HAS NO SAFETY OR SELF LOCKING DEVICE. REPAIRED AND REINSTALLED NEW HARDWARE USING LOCTITE. NO ENGINE DAMAGE OCCURRED DUE TO PILOT SHUTTING DOWN ENGINE.

More about the Lear 35A