Service difficulty report · Flex Line · Boeing 757224

Difficulty date
July 31, 2024
Submitted
July 31, 2024
Operation
Air carrier
Aircraft
N14107
Make and model
Boeing 757224
Aircraft serial
27297
Aircraft time
111,233 hours, 26,140 cycles
Part
Flex Line
Condition
Faulty
Location
Lh Mlg Door
Component
Actuator
Component part number
273N20059
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

FLIGHT CREW STATES ON T/O WHILE BRINGING UP FLAP HANDLE NOTICED LT HYD QTY DECREASING, SELECTED BOTH LT EDP & LT ACMP OFF. LT HYD FLUID QTY NOW AT .15 PERCENT ON EICAS. AMM 29-11-00/201 CONDITION 1 TABLE 1. FOUND LEAK COMING FROM LT MLG DOOR ACTUATOR. FLEX LINE ON MLG DOOR ACTUATOR FOUND RUPTURED. LT HYD QTY SYS LOST QTY ZERO LOW PRESSURE LIGHTS ON HYD PUMP LEAK FOUND COMING FROM LT MLG DOOR ACTUATOR FOUND FLEX LINE FOR MLG DOOR ACTUATOR RUPTURED. DIDN'T HAVE TIME TO LOOK AT I.D TAG ON LINE. R & R LT MLG DOOR ACTUATOR RETRACT HYD LINE. TORQUED HYD LINE PER AMM 32-32-12-404-010. SERVICED ACFT WITH HYD FLUID PER AMM 12-12-01-613-015. OPS CHECK AND LEAK CHECK GOOD. WORKED ACCOMPLISHED WITH LOG PAGE NUMBER 8755787.