Service difficulty report · Skin · Boeing 7377H4

Difficulty date
December 10, 2021
Submitted
January 10, 2022
Operation
Air carrier
Aircraft
N784SW
Make and model
Boeing 7377H4
Aircraft serial
29810
Aircraft time
68,617 hours, 40,550 cycles
System (JASC)
5755 · Spoilers
Part
Skin
Condition
Delaminated
Location
Lt Nr 6 Spoiler
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

L/H WING SPOILER #6 HAS A DELAMINATED DENT LOCATED AT 9.75' FROM I/B EDGE AND 6.5' FROM AFT EDGE MEASURES L=0.5';W=O.5';Y=0.004';W/Y=125 ; / [01] PREPARED THE DAMAGED AREA TO EXAMINE THE DAMAGE IN THE REPAIR AREA. REF B737-700 SRM 57-70-01-2R-2 AND SRM 51-70-10-2R-0 PARAGRAPH 6.; [02] PERFORMED HFEC INSP ON DAMAGE AREA. IAW B 737 NDT PART 6 51-00-00 PROCE 23. TOOL NORTEC 600. BC 166316. CRACK INDICATION FOUND.; [03] PERFORMED CUT OUT OF 0.750'' DIAMETER AND PREPARED AREA TO APPLY REPAIR AT L/H WING SPOILER #6 LOCATED AT 9.75'' FROM I/B EDGE AND 6.5'' FROM AFT EDGE. REF B737-700 SRM 57-70-01-2R-2 AND B737-700 SRM 51-70-10-2R-2 PARAGRAPH 4 D.; [04] FABRICATED FILLER (0.750'' DIAMETER) AND DOUBLER (3'' DIAMETER) B737-700 SRM 51-70-10-2R-2 PARAGRAPH 4 D AND B737-700 SRM 51-70-10-2R-0 PARAGRAPH 8. APPLIED BOEGEL AC 130 AND ADHESIVE PRIMER BMS 5-137 REPAIR PARTS REF B737-700 SRM 51-70-10-2R-2 PARAGRAPH 4 D AND B737-700 SRM 51-70-10-2R-0 PARAGRAPH 14 AND 15.; [05] PERFORMED DRY OUT FOR 1 HOUR AT REPAIR AREA; NO CORE DAMAGED. REF B737-700 SRM 51-70-10-2R-2 PARAGRAPH 4 D AND B737-700 SRM 51-70-10-2R-0 PARAGRAPH 7 A (3); 08] INSTALLED REPAIR PARTS AT DAMAGED AREA . REF B737-700 SRM 51-70-10-2R-2 AND B737-700 SRM 51-70-10-2R-0 PARAGRAPH 18 AND 20.; [09] VERIFIED 8; [10] PERFORMED VISUAL INSPECTION AND TAP TEST INSPECTION AROUND THE REPAIR AREA; NO DELAMINATION FOUND; NO DAMAGED NOTE. REF B737-700 NDT PART 1 51-05-01 PARAGRAPH 5 TAP TEST TOOL USED ST8842.;

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