Service difficulty report · Skin · Boeing 7377H4

Difficulty date
November 14, 2021
Submitted
December 22, 2021
Operation
Air carrier
Aircraft
N461WN
Make and model
Boeing 7377H4
Aircraft serial
32465
Aircraft time
59,273 hours, 35,160 cycles
Part
Skin
Condition
Cracked
Location
L/H Horiz. Stab.
Stage of operation
IN
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

CRACK FOUND AT LT HORIZONTAL STAB HSS 184.70 LOWER SKIN, I/B OF DRAIN HOLE, 10' FROM AFT SPAR. REMOVED PAINT IAW AMM 51-21-11-150-801. PERFORMED HFEC INSP IAW NDT PART 6 51-00-00 PROC. 23. CRACK CONFIRMED. CRACK LENGTH .625'. REMOVED PANEL 331BZ IAW SRM 55-10-01-2R REPAIR 8. INSTALLED PANEL #331BZ IAW SRM51-40-02-0G-0. RESTORED PAINT IAW AMM 51-21 -73-370-801.

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