Service difficulty report · Pca · Boeing 7673CB

Difficulty date
August 21, 2025
Submitted
August 22, 2025
Operation
Air carrier
Aircraft
N685UA
Make and model
Boeing 7673CB
Aircraft serial
33467
Aircraft time
76,305 hours, 13,313 cycles
Part
Pca
Part number
15426005
Part serial
2138BC
Condition
Faulted
Location
Spoiler Sys
Part time
790,867 hours, 719,243 cycles
Stage of operation
CL
How discovered
O
Nature of condition
F, J
Precautionary procedure
A

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

What was found

REPORTED A SPOILERS EICAS, OVERHEAD LIGHT SHORTLY AFTER TAKEOFF. TROUBLESHOOTING INCLUDED BITE OF SCM 1L AND MEGGER CHECKS ON EXCITATION WIRING TO SPOILERS NR 2 & 11, WITH NO SHORTS FOUND. MAINTENANCE REPLACED THE NR 2 SPOILER PCA. OPS AND LEAK CHECKS SATISFACTORY. THE SPOILER CONTROL MODULE (SCM) L1 REMOVED AND REPLACED WITH SERVICEABLE UNIT.

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