SDR ERAA097522

Service difficulty report · Blower · Bolkms BO105S

Difficulty date
June 24, 2004
Submitted
October 4, 2004
Operation
Air carrier
Make and model
Bolkms BO105S
Part
Blower
Part number
4619005001
Part serial
292
Condition
Chafed
Location
Oil Cooler
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

CUSTOMER OWNED AIRCRAFT. BLOWER FAN WHERE RUBS. FOUND INBOARD BEARING ROUGH. SCRAPPED BEARING, HOUSING DUE TO EXCESSIVE PITTING. FOD HAS BEEN BETWEEN WHEEL AND HOUSING, NO DAMAGE TO FAN WHEEL, SLIGHT RUB MARKS IN PAINT ON HOUSING, PROBABLY SOMETHING LIKE GRASS WAS CAUGHT BUT WAS LOST DURING REMOVAL FROM A/C. ALSO, FEELS LIKE ONE BEARING IS ROUGH. DISASSEMBLED BLOWER ASSY, INSPECTED, REPAIRED IAW REM 104-7. INSTALLED NEW HOUSING, INBOARD BEARING, SEAL AND PACKINGS. SANDED AND REPAINTED HOUSING. REASSEMBLED IAW REM 104-7.