Service difficulty report · Pump · Boeing 757231

Difficulty date
August 6, 2024
Submitted
August 7, 2024
Operation
Air carrier
Aircraft
N986FD
Make and model
Boeing 757231
Aircraft serial
28482
Aircraft time
46,444 hours, 19,616 cycles
Part
Pump
Part number
3031863001
Condition
Failed
Location
Hyd System
Stage of operation
AP
How discovered
O
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

L HYD SYS PRESS AND LOSS QUANTITY ON SHORT FINAL . INSTALLED NEW DOWN LOCK ACTUATOR HYDRAULIC LINE IAW AMM: 32-32-04-0. INSTALLED #1 EDP, IAW AMM 29-11-05-4-2. RESET RETURN FILTER DPI, R & R RETURN FILTER IAW AMM 29-11-13-4, R & R LEFT PRESSURE AND CASE DRAIN FILTERS, IAW AMM 29-11-17-4 & 29-11-15-4, NO DEBRIS FOUND IN OLD FILTERS. RAN #1 ENG WITH NO LEAKS NOTED IN FILTERS OR DOWN LOCK ACT LINE. AFTER RUN DPI WAS NOT POPPED. OK FOR SERVICE.