Service difficulty report · Skin · Boeing 7377K9

Difficulty date
November 28, 2021
Submitted
January 19, 2022
Operation
Air carrier
Aircraft
N7814B
Make and model
Boeing 7377K9
Aircraft serial
30042
Aircraft time
56,070 hours, 29,520 cycles
Part
Skin
Condition
Cracked
Location
R/H Wing
Stage of operation
UK
How discovered
9
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

RT WING LOWER SURFACE L/E; #6 SLAT NOSE SKIN AT ACTUATOR RIBS. CRACK AROUND FASTENER SKIN. CRACK CONFIRMED IAW NDTM PART 6;51-00-00 PROCEDURE 23. CRACK FOUND AT 2ND FWD O/B FASTENER. CRACK LENGTH :0.157. REMOVED INBD CENTER, OTBD COVE SKIN & PARTIAL FLEX SKIN SECTION IAW SRM 51-40-02-0G-0; REMOVED FASTENER FROM REPAIR AREA, CUTOUT DAMAGE AREA IAW SRM 57-42-01-2R-8 FIG 202; PERFORMED HFEC AT CUT OUT IAW NDTM PART 6; 51-00-00 PROCEDURE 23. NO CRACKS. PERFORMED HFEC HOLE PROBE INSPECTION ON ALL REMOVED FASTENER LOCATIONS WITHIN REPAIR AREA IAW NDTM PART 6; 51-00-00; PROCEDURE 16. NO CRACKS. FABRICATED DOUBLER AND FILLER IAW SRM 57-42-01-2R-8.

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