Service difficulty report · Control Module · Lear 45LEAR

Difficulty date
July 14, 2021
Submitted
July 28, 2021
Operation
Air carrier
Aircraft
N15CF
Make and model
Lear 45LEAR
Aircraft serial
45376
Aircraft time
3,592 hours, 2,666 cycles
Part
Control Module
Part number
6901117
Part serial
275
Condition
Defective
Location
Throttle
Stage of operation
LD
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

THE FLIGHT CREW REPORTED THE RIGHT THRUST REVERSER INTERMITTENTLY WILL NOT DEPLOY WHEN REVERSER LEVER WAS RAISED. OPERATIONS WERE CONTINUED PER MEL. ONCE INTO MAINTENANCE THE VENDOR TROUBLESHOT AND DETERMINED THAT THE THROTTLE CONTROL MODULE (TCM) WAS DEFECTIVE. THE DEFECTIVE UNIT WAS REMOVED AND AN REPAIRED UNIT WAS INSTALLED. OPERATIONS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE.