Service difficulty report · Generator · Lear 35A

Difficulty date
November 11, 2016
Submitted
November 11, 2016
Operation
General aviation
Aircraft
N452DA
Make and model
Lear 35A
Aircraft serial
452
Engine
Garrtt TFE731*
Part
Generator
Part number
66082019
Part serial
2689
Condition
Failed
Location
Lt Engine
Stage of operation
TX
How discovered
O
Nature of condition
E, H, B
Precautionary procedure
E

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

What was found

GENERATOR FAILED DURING TAXI, VIBRATION FELT AND LOSS OF ELECTRICAL GENERATION FROM NR 1 GENERATOR. PILOT INITIATED ENGINE SHUT-DOWN AND SUBSEQUENT VISUAL INSPECTION SHOWED HEAT DAMAGE AND PAINT BLISTER ON LOWER COWLING. FURTHER INSPECTION SHOWED SIGNIFICANT HEAT DAMAGE/MELT-DOWN OF NR 1 ENGINE GENERATOR. WIRING DAMAGE, CASE CRACKED AND GENERATOR MOUNT STRUCTURAL DAMAGE. TIME OF COMPONENT OR AIRCRAFT UNKNOWN AT THIS TIME

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