Service difficulty report · Cable · Boeing 7377H4

Difficulty date
July 19, 2024
Submitted
July 22, 2024
Operation
Air carrier
Aircraft
N949WN
Make and model
Boeing 7377H4
Aircraft serial
36663
Aircraft time
45,295 hours, 27,505 cycles
Part
Cable
Condition
Out Of Adjust
Location
Zone 100
Stage of operation
LD
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

DURING LANDING AT ABOUT 100 FEET AN UNCOMMANDED ROCKING OF THE WINGS FROM LEFT TO RIGHT HAPPENED ALL THE WAY DOWN TO TOUCHDOWN.<[01] INTERROGATED FSEU; FOUND F/C 27-51351; T/E FLAP UCM.<BR>PERFORMED FIM TASK FLAP LOAD RELIEF TEST 27-51-830. NO FAULTS;[02] SUSPECT POSSIBLE RUDDER PCU ISSUE; OPENED PANEL 324DR AND INSPECTED MAIN AND STANDBY RUDDER PCU ATTACH POINTS; NO DEFECTS NOTED. RE-INSTALLED PANEL 324DR.;[03] PER MOC; CHECK TENSION ON AILERON CABLES AND ADJUST IF NECESSARY. CHECK AND ADJUSTED AILERON CABLES ACBA-L;ACBA-R;ACBB-L AND ACBB-R PER AMM 27-11-00 AND AMM 27-09-14. STOP AT SUBTASK 27-11-00-820-004; STEP 7 REF. AMM 27-11-00-820-801. RIG PINS A/S-15 A/S-1 AND A/S-1A REMAINED INSTALLED REF. AMM 27-11-00-820-801 FOR DETAILS ON WHERE THEY ARE LOCATED. FOWARD AND AFT E-E BAY ACCESS DOOR REMAINED OPENED DUE TO RIG PINS BEING INSTALLED;[13] C/W AILERON BODY CABLE AA AND AB ADJUSTMENT IAW AMM 27-11-00-820-801. PERFORMED FLIGHT SPOILER SYSTEM TEST PER AMM 27-61-00-730-801 FOUND SPOILERS 2;3;10;AND 11 OUT OF ADJUSTMENT. ADJUSTED SPOILERS 2;3;10 AND 11 PER AMM 27-61-00-820-804. ALL TEST PASSED.;[14] VERIFIED; C/W AILERON BODY CABLE AA AND AB ADJUSTMENT IAW AMM 27-11-00-820-801. PERFORMED FLIGHT SPOILER SYSTEM TEST PER AMM 27-61-00-730-801 FOUND SPOILERS 2;3;10;AND 11 OUT OF ADJUSTMENT. ADJUSTED SPOILERS 2;3;10 AND 11 PER AMM 27-61-00-820-804. ALL TEST PASSED

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