Service difficulty report · Skin · Boeing 7377H4

Difficulty date
November 24, 2022
Submitted
January 9, 2023
Operation
Air carrier
Aircraft
N439WN
Make and model
Boeing 7377H4
Aircraft serial
29834
Aircraft time
64,965 hours, 38,601 cycles
Part
Skin
Condition
Cracked
Location
Horizontal 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 INDICATION FOUND ON LT HORIZONTAL STABILIZER LOWER SKIN PANEL. LOCATED AT STAB STA 193.9 RIB AND 16.5 INCH. FROM FRONT SPAR. INBOARD SIDE OF RIB. CRACK LENGTH = 0.500 INCH. APPROX. 2022-664106<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600D; S/N: 190023010; DUE DATE: 14-FEB-23;[02] PERFORMED REPAIR ON LT HORIZONTAL STABILIZER LOWER SKIN PANEL LOC AT STAB STA 193.9 AND 16.5 INCH FROM FRONT SPAR I.A.W. B737-700 SRM 55-10-01-2R-11 REPAIR 11.<BR>SEE INDIVIDUAL SIGN-OFF BELOW;[03] PERFORMED REPAIR ON LT HORIZONTAL STABILIZER LOWER SKIN PANEL LOC AT STAB STA 193.9 AND 16.5 INCH FROM FRONT SPAR I.A.W. B737-700 SRM 55-10-01-2R-11 REPAIR 11.<BR>SEE INDIVIDUAL SIGN-OFF BELOW.. RII ITEM

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