Service difficulty report · Skin · Boeing 7377H4

Difficulty date
March 13, 2022
Submitted
April 5, 2022
Operation
Air carrier
Aircraft
N247WN
Make and model
Boeing 7377H4
Aircraft serial
32508
Aircraft time
53,390 hours, 31,894 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; 24.250 INCH FROM FRONT SPAR; INBD SIDE OF RIB. CRACK LENGTH IS 0.400 INCH 2022-144776 / [01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 500 D; S/N: N500X12101V022233; DUE DATE: 02-JUN-22.;[02] TOOL USED EDDY CURRENT P/N: NORTEC 500D; S/N: N500X12101V022236; DUE DATE: 02-JUN-22.;[03] TOOL USED EDDY CURRENT P/N: NORTEC 500D; S/N: N500X12101V022236; DUE DATE: 02-JUN-22.;[04] PERFORMED PERMANENT REPAIR LOCATED ON RH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 24.250 INCH FROM FRONT SPAR; INBD SIDE OF RIB IAW SRM B737-700 55-10-01-2R-11 REPAIR 11;[05] CORRECTED STEP 4: PERFORMED PERMANENT REPAIR LOCATED ON RH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 24.250 INCH FROM FRONT SPAR; INBD SIDE OF RIB IAW SRM B737-700 55-10-01-2R-11 REPAIR 11.SEE INDIVIDUAL SIGN OFF BELOW.;[06] TASK CARD COMPLETED <BR>RII<BR>SEE INDIVIDUAL SIGN OFFS BELOW

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