Service difficulty report · Brushes · Beech C99

Difficulty date
March 19, 2005
Submitted
May 2, 2005
Operation
General aviation
Make and model
Beech C99
Aircraft time
9,076 hours
Engine
Pwa PT6A36
Part
Brushes
Part number
402
Condition
Shorted
Location
Mlg Motor
Component
Motor · Electromech
Component part number
1153800025
Stage of operation
LD
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

(CAN) A/C SUSTAINED GEAR COLLAPSE AFTER ERRONEOUS GEAR INDICATIONS. MOTOR CURRENT LIMITER FOUND 'BLOWN', MOTOR WOULD NOT RUN UNDER 'LOAD'. CASB CURRENTLY INVESTIGATING INCIDENT. NOTE, BRUSH INSP LIMIT 2500 CYCLES BRUSH INSP TOTAL CYCLES 2374. COULD NOT DUPLICATE ERRONEOUS GEAR INDICATIONS AT THIS TIME NOTE L/G MOTOR REPAIR REPORT TO FOLLOW.

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