SDR 96ZZZX5441

Service difficulty report · Pump · Beech 58P

Difficulty date: September 20, 1996
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N6371V
Make and model: Beech 58P
Aircraft serial: TJ417
System (JASC): 3710 · Vacuum Distribution System
Part: Pump
Part number: 442CW4
Condition: Failed
Location: Vacuum System
Part time: 490 hours
Component: Airborne
Stage of operation: IN
Nature of condition: O
Precautionary procedure: K

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

What was found

VACUUM SYSTEM FAILED PER PILOT REPORT. GAINED ACCESS TO VACUUM PUMPS, FOUND DRIVE SHAFTS SHEARED. REPLACED BOTH PUMPS, FILTERS, AND EVACUATED LINES AS REQUIRED. (NOTE: IT WOULD BE POSSIBLE THAT ONE PUMP HAD BEEN INOPERABLE FOR SOME TIME.)

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