Service difficulty report · Skin · Boeing 7377H4

Difficulty date
May 24, 2022
Submitted
July 21, 2022
Operation
Air carrier
Aircraft
N483WN
Make and model
Boeing 7377H4
Aircraft serial
32472
Aircraft time
60,009 hours, 35,495 cycles
Part
Skin
Condition
Cracked
Location
R/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 INDICATION FOUND ON RH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 16.500 INCH FROM FRONT SPAR; INBD SIDE OF RIB. CRACK LENGTH IS 0.750 INCH 2022-274485 / [01] TOOL USED. EDDY CURRENT EQUIPMENT. P/N: NORTEC 500D. S/N: N500X12101V022240. DUE DATE: 27-JAN-23.;[02] PERFORMED REPAIR CATEGORY B FASTENER LOC. ON RH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 ; 16.500 INCH FROM FRONT SPAR IAW B737-700 SRM 55-10-01-2R-11 REPAIR 11 FIGURE 204. SEE INDIVIDUAL SIGNOFFS BELOW;[03] PERFORMED REPAIR CATEGORY B FASTENER LOC. ON RH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 ; 16.500 INCH FROM FRONT SPAR IAW B737-700 SRM 55-10-01-2R-11 REPAIR 11 FIGURE 204. SEE INDIVIDUAL SIGNOFFS BELOW<BR>RII

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