Service difficulty report · Supercharger · Braero HS7482A

Difficulty date
July 24, 1996
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Braero HS7482A
Part
Supercharger
Part number
139312
Condition
Failed
Location
Cabin Press
Stage of operation
CR
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

(CAN) ROTOR OF LH CABIN SUPERCHARGER FAILED, HOWEVER DID NOT SEIZE, QUILL SHAFT FAILED INTERNALLY CAUSING CABIN TO FILL WITH OIL MIST. VIBRATION ALSO CAUSED HYDRAULIC FITTING P/N ISS5757 (ATTACHED TO HYDRAULIC PUMP) TO CRACK, RESULTING IN LOSS OF HYDRAULIC FLUID.