SDR DL72L954059

Service difficulty report · Pump · Boeing 727232

Difficulty date: October 19, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N505DA
Make and model: Boeing 727232
Aircraft serial: 21307
System (JASC): 2913 · Hydraulic Pump (Electric/Engine), Main
Part: Pump
Condition: Leaking
Location: B-Hyd Sys
Component: AS19570C
Stage of operation: CR
Nature of condition: K, J
Precautionary procedure: O

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

What was found

THE B-SYS HYDRAULIC IND SHOWED ZERO IN FLT, SYS-A SHOWS 2.1 GAL AND IS STEADY. LOSS OF INDICATION IN B-SYS WENT FROM FULL TO ZERO IN ABOUT 1 HOUR. FOUND NR 2 B-PUMP LEAKING, REPLACED AND LEAK CHECK OK. REPLACED BOTH B-SYS CASE DRAIN AND PRESS FILTER, RAN ALL SYS AND ENG PUMPS AND ALL LEAK CHECKS OK.