Service difficulty report · Panel · Boeing 7478F

Difficulty date
August 12, 2026
Submitted
September 1, 2026
Operation
Air carrier
Aircraft
N622UP
Make and model
Boeing 7478F
Aircraft serial
65784
Aircraft time
24,086 hours, 3,566 cycles
Part
Panel
Part number
149U7232248
Condition
Eroded
Location
Wing
Stage of operation
IN
How discovered
V
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

FOUND PANEL 192B TO HAVE LEADING EDGE ERRODED & DELAMINATED. AW SRM 53-00-70-2R-1, REF SRM 51-70-05-2R-2 & SRM 51-80-03-0G-0, REV 49. PERFORMED REPAIR, REMOVED EROSION MATERIALS & CLEAN. MEASURE THE DAMAGE AREA (L:4", W:3", AT FWD EDGE CORNER & L:14.5", W:0.5", 15" FROM OTBD EDGE, AT FWD EDGE). BONDED THE REPAIR PLIES WITH FILM ADHESIVE CURED AT 260 F FOR 130 MINUTES WITH MINIMUM VACUUM OF 22 IN/HG. BONDED THE FOIL WITH FILM ADHESIVE CURED AT 260 F FOR 130 MINUTES WITH MINIMUM VACUUM OF 22 IN/HG. DRILLED THE FASTENER HOLES ON PANEL NR 192B IAW SRM 51-40-05-0G, REV 49.

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