Service difficulty report · Skin · Boeing 7377H4

Difficulty date
July 7, 2021
Submitted
July 30, 2021
Operation
Air carrier
Aircraft
N751SW
Make and model
Boeing 7377H4
Aircraft serial
29803
Aircraft time
74,739 hours, 44,231 cycles
Part
Skin
Condition
Delaminated
Location
Rt Wing Te 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

PER CUSTOMER REQUEST...RT WING O/B T/E FLAP HAS AFT EDGE DELAMINATING AT I/B CORNER ; / [01] PERFORMED CUT OUT OF 3 3/8 ' BY 1 1/4' AT DAMAGED AREA; NO WATER FOUND; NO CORE DAMAGE FOUND AT RT WING O/B T/E FLAP I/B CORNER.; [02] PERFORMED CUT OUT OF 3 3/8 ' BY 1 1/4' AT DAMAGED AREA AS PER B737-700 SRM 51-70-10-2R-4; NO WATER FOUND; NO CORE DAMAGE FOUND AT RT WING O/B T/E FLAP I/B CORNER; [03] VERIFIED JOB IN STEP2.; [04] CLEANED DAMAGED AREA AND FABRICATED FILLERS AND DOUBLER REF B737-700 SRM 51-70-10-2R-4 REPAIR 4. APPLIED BONGEL AC 130; AND ADHESIVE PRIMER BMS 5-137 REF B737-700 SRM 51-70-10 PARAGRAPHS 14 AND 15.; [05] VERIFIED STEP 4; [06] INSTALLED REPAIR AT RT WING O/B T/E FLAP LOWER SURFACE I/B CORNER. REF B737-700 SRM 51-70-10-2R-4 REPAIR 4. PERFORMED A VISUAL INSPECTION AND TAP - TEST INSPECTION NO DAMAGES AND NO DELAMINATION FOUND REF B737 NDT PART 1 51-05-01.; [07] ACCOMPLISH TAP TEST ON REPAIR AREA FOUND NO DELAMINATION AS PER B737 NDTM 51-05-01 SECTION 5. RESTORE AREA TO ORIGINAL. FINISHES .; [08] VERIFIED STEP #7; [09] VERIFIED ALL STEPS ACCOMPLISHED

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