Service difficulty report · Circuit Board · Gulstm 200

Difficulty date
September 14, 2015
Submitted
September 15, 2015
Operation
Air carrier
Aircraft
N719QS
Make and model
Gulstm 200
Aircraft serial
162
Aircraft time
5,920 hours, 3,814 cycles
Part
Circuit Board
Part number
SPE3506005001
Part serial
1799
Condition
Failed
Location
Cockpit
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

ELECTRICAL BURNING ODOR OBSERVED BY BOTH CREW DURING FLIGHT. COFFEE HEATERS WERE TURNED OFF & ODOR REMAINED. LT & RT GEN SHOWED 170 & 130 AMP, SPLIT RESPECTIVELY & WERE FLUCTUATING +/- 20 AMPS RAPIDLY. WHEN GALLEY & CABIN POWER WAS REMOVED AMP LOAD SEEMED TO STABILIZE. ODOR WAS STILL PRESENT INTERMITTENTLY THROUGH LANDING. R & R PCB 82P. OPS CHECKED GOOD IAW MM 21-21-00, 29-10-20, 30-10-10, 30-40-00, 33-10-10, 71-00-00 & 78-30-00. PERFORMED GENERATOR OPS TESTED IAW MM 24-30-00 & FOUND AMP SPLIT TO BE WITHIN ALLOWABLE LIMITS.