Service difficulty report · Dampener · Boeing 777223

Difficulty date
May 14, 2026
Submitted
May 16, 2026
Operation
Air carrier
Aircraft
N770AN
Make and model
Boeing 777223
Aircraft serial
29578
Aircraft time
101,109 hours, 12,881 cycles
Part
Dampener
Part number
JMS20184L
Condition
Weak
Location
Zone 800
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

AIRCRAFT WAS NOT GROUNDED: LAVATORY 3F1L DOOR STICKS WHEN OPENING. REMOVE AND REPLACED DAMPER AT LAVATORY 3F1L DOOR. PER CMM 25-45-81.