What was found
(CAN) INSTALLED 99-01-05. ALL HOSES FROM FIREWALL TO PUMP THEN REPLACED AND P/N B3-5-1 AIR INLET FILTER REPLACED AND CHANGED AT EACH 100 HR INTERVALS. FAILED PUMP THEN REPLACED WITH OVERHAULED PUMP FROM BRIDGEMARK AEROSPACE LTD. ADDITIONAL INFORMATION FROM NAMEPLATE: VVFAA REF. 004189; PMA PART NO: 82-50122-2; SERIAL NR: A1035. THIS IS A REPEATED TYPE OF FAILURE FROM THIS SUPPLY SOURCE. PUMP REPLACED WITH ZERO HRS. UNIT FROM DIFFERENT CERTIFIED SUPPLIER.