Service difficulty report · Computer · Lear 45LEAR

Difficulty date
July 7, 2014
Submitted
September 10, 2014
Operation
Air carrier
Aircraft
N904HD
Make and model
Lear 45LEAR
Aircraft serial
45149
Aircraft time
4,707 hours, 3,138 cycles
Part
Computer
Part number
C88062
Part serial
136
Condition
Faulty
Location
Stall Warning
Stage of operation
CR
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

A RT STALL WARNING FAIL CAS MSG INTERMITTENTLY BEING DISPLAYED DURING FLIGHT. THE CREW COMPLETED THE REQUIRED CHECKLIST ITEMS, BUT CORRECTIVE ACTIONS DIDN'T CORRECT THE ISSUE. TROUBLE SHOT THE RT STALL WARNING SYS & FOUND THE DUAL STALL WARNING COMPUTER FAULTY. THE COMPUTER PN C 8806-2 WAS REMOVED FROM SERVICE & AN INSPECTED UNIT INSTALLED & FUNCTIONAL CHECKED.