Service difficulty report · Transformer · Boeing 737322

Difficulty date
May 26, 2008
Submitted
July 1, 2008
Operation
Air carrier
Aircraft
N378UA
Make and model
Boeing 737322
Aircraft serial
24653
Aircraft time
52,156 hours, 35,575 cycles
Engine
Cfmint CFM563C1
Part
Transformer
Condition
Burned
Location
Autopilot
Component
Autopilot · Honeywell · 4051601937
Stage of operation
CL
How discovered
O
Nature of condition
W, B
Precautionary procedure
A

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

What was found

STRONG ACRID ODOR DETECTED AFTER DEPARTURE, RTFL. *S/D* BAD AUTO PILOT FLIGHT CONTROL PANEL. REPLACED CONTROL PANEL. SHOP FINDINGS: FOUND TRANSFORMER A10T1 PRIMARY BURNED. TRANSISTORS A10Q1/Q2 PARTIALLY SHORTED. REPLACED PARTS.