Service difficulty report · Panel · Boeing 7478F

Difficulty date
September 7, 2026
Submitted
September 14, 2026
Operation
Air carrier
Aircraft
N623UP
Make and model
Boeing 7478F
Aircraft serial
65783
Aircraft time
23,019 hours, 3,397 cycles
Part
Panel
Part number
65B069769097
Part serial
0024
Condition
Eroded
Location
Zone 100
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

ERODED PANEL, WING TO BODY FAIRING PANEL 191FFL FWD EDGE. I.A.W. 747-8F SRM 53-00-70-2R-1 REFER TO SRM 51-70-05-2R-1 AND SRM 51-80-03-0G-0 REV. 49 PERFORM REPAIR AS BELOW STEP:1.1 REMOVE THE EROSION MATERIALS AND CLEAN.1.2 MEASURE THE DAMAGE AREA ( L : 5.5", W : 1.25", 28.75" FROM R/H EDGE, AT FWD EDGE).1.3 BOND THE REPAIR PLIES AND ALUM. FOIL WITH FILM ADHESIVE CURED AT 260°F FOR 130 MINUTES WITH A MINIMUM VACUUM OF 22 IN/HG.2. CONDITION CHECK IS SATISFACTORY.

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