Service difficulty report · O-Ring · Boeing 757231

Difficulty date
April 23, 2026
Submitted
April 24, 2026
Operation
Air carrier
Aircraft
N718TW
Make and model
Boeing 757231
Aircraft serial
28486
Aircraft time
92,072 hours, 23,716 cycles
Part
O-Ring
Condition
Leaking
Location
Actuator
Stage of operation
AP
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

DECLARED EMERGENCY DUE TO RIGHT SYSTEM HYDRAULIC LEAK. REPLACED #11 SPOILER ACTUATOR PLUG O-RING. NO FURTHER LEAKS. OPS CHECK GOOD. AIRCRAFT WAS GROUNDED