Service difficulty report · Actuator · Boeing 757324

Difficulty date
July 10, 2025
Submitted
July 21, 2025
Operation
Air carrier
Aircraft
N75851
Make and model
Boeing 757324
Aircraft serial
32810
Aircraft time
69,028 hours, 22,516 cycles
Part
Actuator
Part number
332150014
Part serial
6386
Condition
Faulty
Location
Nr 5 Spoiler
Part time
84,998 hours, 23,275 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

FROM TOP OF DESCENTTO LNDG SPOILERS EICAS FOUND SCM FAULT AND PCA 7 FAULT ON SCM 3 LEFT. PICS ATTACHED. EXTENSIVE HISTORY. SEE LOG PAGES 5541754 , 5505120 AND 5600698 FOR OPT TESTS OF SCM AND PCA 7.FOR VERIFICATION OF FAULTS, TEMPORARILY SWAPPED VERIFIED WORKING SCM LEFT2 FROM ACFT 0856 ONTO THIS ACFT (0851) TO PERFORM TASK ADD EMP:U397311 27-09-00-211-010 TEST OF SPOILER INHIBIT FUNCTION. OPS CHECK FAIL SPOILERS #3 AND #10 DID NOT MOVE AS COMMANDED. REPLACED WORKING SCM LEFT 2 BACK ONTO ACFT 0856. COMPLETED ECRA 2761-01331 REV A DETERMINED SPOILER ACTUATORS #5 & #8 WERE THE CAUSE. SPOILERS ACTUATORS #5 & #8 WERE REMOVED AND REPLACED ON LOGPAGES 5592013 & 5581436. PER ECRA 2761-01331 REV A PARA B REPAIR CONFIRMATION ALL CHECKS SATISFACTORY