Service difficulty report · Stall Warning · Lear 55LEAR

Difficulty date
April 9, 2019
Submitted
April 11, 2019
Operation
General aviation
Aircraft
N277AL
Make and model
Lear 55LEAR
Aircraft serial
55104
Aircraft time
16,634 hours, 15,280 cycles
Part
Stall Warning
Part number
GLC66084185
Part serial
260
Condition
Erratic
Location
Cockpit
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

IN CRUISE FLIGHT IN ROUTE TO KSGR THE CREW ON FLIGHT CYO277 NOTICED THE RT STALL WARNING INDICATOR FLUCTUATING. NO CROSSWINDS NOTICED AT TIME. THE LT INDICATOR WAS STABLE. THE CAPTAIN ELECTED TO RETURN TO ELP. HE TURNED THE RT STALL WARNING OFF FOR THE RETURN. THE AIRCRAFT RETURNED TO ELP WITH NO OTHER ISSUES. A COMPLETE STALL WARNING FUNCTIONAL CHECK WAS COMPLETED IAW THE MM. NO DISCREPANCIES WERE NOTED. THE RT STALL WARNING INDICATOR WAS REPLACED WITH A SERVICEABLE UNIT FOR TROUBLE SHOOTING PURPOSES AND THE FUNCTIONAL TEST WAS COMPLETED AGAIN WITH NO DISCREPANCIES NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.