Service difficulty report · Skin · Boeing 7378H4

Difficulty date
August 22, 2025
Submitted
August 26, 2025
Operation
Air carrier
Aircraft
N8661A
Make and model
Boeing 7378H4
Aircraft serial
36906
Aircraft time
35,550 hours, 17,344 cycles
Part
Skin
Condition
Delaminated
Location
Zone 500 Flap
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

TRAILING EDGE LT OTBD AFT FLAP, INBD SIDE, SKIN DELAMINATION ON LOWER SKIN. REMOVED DAMAGE, FABRICATED REPAIR IAW SRM 57-53-01-2R-14, & SRM 51-70-10-2R-4, REPAIR 4, REMOVED OTBD AFT FLAP IB SEAL IAW CMM 57-53-08. INSTALLED REPAIR & BAGGED AND COOKED IAW SRM 51-70-10-2R-4-REPAIR 4. PERMANENT REPAIR ACCOMPLISHED, TAP TEST ACCOMPLISHED. NO DELAMINATION FOUND. SEALED; PRIMED & PAINTED REPAIR AREA IAW SRM SRM 51-70-10-2R-4-REPAIR 4, SRM 51-70-10-2R-0, & CMM 57-53-08. REINSTALLED INBD SEAL IAW CMM 57-53-08. ACCOMPLISHED TAP TEST IAW NDT MANUAL PART1 51-05-01. NO DEFECTS NOTED. INSPECTED REPAIR PER SRM SRM 51-70-10-2R-4-REPAIR 4, SRM 51-70-10-2R-0, & CMM 57-53-08.

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