Service difficulty report · Skin · Boeing 7377H4

Difficulty date
February 3, 2022
Submitted
March 7, 2022
Operation
Air carrier
Aircraft
N469WN
Make and model
Boeing 7377H4
Aircraft serial
33859
Aircraft time
59,572 hours, 35,384 cycles
Part
Skin
Condition
Cracked
Location
R/H Horiz. Stab.
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 HORIZONTAL STAB LOWER IN-SPAR SKIN, CRACKED INBOARD OF RIB AT HSS 193.90, CRACK IS .200' LONG & 17.2' FROM FRONT SPAR. REMOVED DAMAGED SECTION IAW SRM 55-10-01-2R-11 PARA 4A; 4B(2) AND 4C. NO INITIAL REPAIR OR MULTIPLE SITE DAMAGE NOTED. HFEC INSPECTED CUTOUT AREA IAW NDTM PART 6 51-00-00 PROCEDURE 23; NO CRACKS NOTED. FABRICATED REPAIR. APPLIED CHEMICAL CONVERSION COATING TO REPAIR PARTS & SKIN AT REPAIR AREA IAW SRM 55-10-01-2R-11 PARA 4 G THROUGH 4M. PRIMED REPAIR & AREA IAW SRM 55-10-01-2R-11 PARA 4N. INSTALLED REPAIR IAW SRM 55-10-01-2R-11 PARA 4O & 4P.

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