Service difficulty report · Panel · Boeing 777222

Difficulty date
October 2, 2022
Submitted
October 3, 2022
Operation
Air carrier
Aircraft
N227UA
Make and model
Boeing 777222
Aircraft serial
30555
Aircraft time
78,825 hours, 9,246 cycles
Part
Panel
Part number
511MB
Condition
Damaged
Location
L Wing Le Panel
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

LEFT WING LEADING EDGE PANELS FOIL/MESH INSPECT {B777-20-3-7002} - PANEL 511MB HAS THE FOLLOWING DISCREPANCIES: OUTER PORTION HAS NUMEROUS SCREW HOLES SHOWING COMPOSITE NEAR HOLES AND 1 HOLE THATS ELONGATED (MARKED IN RED); ALSO HAS EDGE WITH SEVERAL AREAS OF POSSIBLE DELAMINATION; INNER SIDE HAS NUMEROUS AREAS OF PEELING, MISSING, BUBBLING, OR SEPARATED TAPE; SEVERAL CORNERS ARE SHOWING COMPOSITE MATERIAL. ITEM UPDATED TO REFLECT ITS MAJOR REPAI STATUS. C/W RII INSPECTION FOR PERMANENT REPAIR TO THE BONDED ALUMINUM FOIL ON PANEL 511DB. REPAIRED WITH CONDUCTIVE ADHESIVE ALUMINUM FOIL TAPE (3M 1170) IAW SRM 51-70-14 REPAIR (3) PARAGRAPH (6). PERFORMED PERMANENT REPAIR TO THE BONDED ALUMINUM FOIL ON PANEL RESTORED FINISH TO ALL FASTENER HOLES REF AMM 51-21-10 -300-801. 511MB. REPAIRED WITH CONDUCTIVE ADHESIVE ALUMINUM FOIL TAPE (3M AFTER FURTHER EVALUATION HOLE IS A 1/4 DIAM. SCREW NO ELONGATION 1170) IAW SRM 51-70-14 REPAIR (3) PARAGRAPH (6). NOTED .