Service difficulty report · Blower · Beech C90A

Difficulty date
July 2, 2011
Submitted
July 12, 2011
Operation
General aviation
Aircraft
N447DB
Make and model
Beech C90A
Aircraft serial
LJ1656
Aircraft time
1,750 hours, 1,448 cycles
Engine
Pwa PT6*
Part
Blower
Part number
903840311
Part serial
1796
Condition
Seized
Location
Cabin Air
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

CABIN VENTILATION BLOWER MOTOR SEIZED CAUSING SMOKE IN COCKPIT AND MELTING OF OUTER HYD BRAKE LINE PLASTIC CHAFE PROTECTION SLEEVING; LINE FOUND RESTING ON MOTOR. CIRCUIT PROTECTION (CURRENT LIMITER-30 AMP) DID NOT OPEN POSSIBLY DUE TO BLOWER SELECTED TO "LOW" POSITION.

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