Service difficulty report · Starter Gen · Cessna 525B

Difficulty date
February 27, 2019
Submitted
March 1, 2019
Operation
Air carrier
Aircraft
N858CB
Make and model
Cessna 525B
Aircraft serial
525B0490
Aircraft time
1,502 hours, 899 cycles
Part
Starter Gen
Part number
99121252
Part serial
6427XL2
Condition
Malfunctioned
Location
Lt Engine
Part time
519 hours, 307 cycles
Stage of operation
CR
How discovered
O
Nature of condition
E, J
Precautionary procedure
O

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

What was found

IN CRUISE FLIGHT, FROM KBUR TO KCRQ, PILOT EXPERIENCING LOUDER THAN NORMAL ENGINE NOISE AND VIBRATION, THE LEFT GENERATOR WENT OFFLINE. IT SHOWED 2 VOLTS, AND THE RIGHT GENERATOR SHOWED 29 VOLTS. PER THE CHECKLIST, PILOT RESET THE GENERATOR, AND IT SHOWED 29 VOLTS AGAIN AFTER THE RESET. CHECKLIST PROCEDURE SAID TO TURN IT BACK ON, PILOT DID. IT OPERATED NORMALLY UNTIL TOUCHDOWN AT KCRQ WHERE IT AGAIN WENT OFFLINE. TECHNICIANS ARE SCHEDULED TO PERFORM AT KCRQ STARTER GENERATOR REPLACEMENT AND ALL REQUIRED PROCEDURES BY WILLIAMS INTERNATIONAL.

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