Service difficulty report · Skin · Boeing 74744AF

Difficulty date
October 3, 2025
Submitted
October 17, 2025
Operation
Air carrier
Aircraft
N573UP
Make and model
Boeing 74744AF
Aircraft serial
35662
Aircraft time
62,252 hours, 9,878 cycles
Part
Skin
Condition
Gouged
Location
Zone 600 Flap
Component
Flap · Boeing
Component part number
65B01998506
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

GOUGE - SKIN - RT WING OUTBOARD FLAP AFT FLAP AT STA WS 862-870. RT WING OUTBD AFT FLAP T. REFER TO 747 NDT MANUAL, PART 6,51-00-00, FIGURE 1,11OR 16 FOR HFEC PROCEDURE. IAW EGAT EI F 2025A57M-2243 SEQUENCE A STEP 3. REQUEST RII VERIFY VALIDATE SPECIALIZED PROCESS IN REPAIR INSTRUCTIONS WERE ACCOMPLISHED (EX: HEAT TREAT, SHOT/FLAP PEEN, NDT, PLATING)

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