SDR CA980707044

Service difficulty report · Duct · Swrngn SA226TC

Difficulty date: June 22, 1998
Submitted: March 26, 2000
Operation: Air carrier
Make and model: Swrngn SA226TC
Engine: Garrtt TPE33110UA
System (JASC): 2140 · Heating System
Part: Duct
Condition: Loose
Location: Cockpit Heat
Stage of operation: CR
Nature of condition: O
Precautionary procedure: A

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

What was found

(CAN) CREW NOTICED THE LEFT ESSENTIAL BUS WAS ABNORMALLY HOT, SHORTLY AFTER THE NR 1 AUDIO CIRCUIT BREAKER TRIPPED. AIRCRAFT RETURNED OK. INSPECTION REVEALED THAT THE HOT AIR DUCT IN THE LEFT ESSENTIAL BUS AREA HAD BECOME DISLODGED DIRECTING HOT AIR ONTO THE BUS. IN ADDITION, THE NR 1 AUDIO PANEL CIRCUIT BREAKER WAS FOUND CRACKED.