Service difficulty report · Skin · Boeing 7377H4

Difficulty date
March 5, 2024
Submitted
April 3, 2024
Operation
Air carrier
Aircraft
N240WN
Make and model
Boeing 7377H4
Aircraft serial
32503
Aircraft time
59,151 hours, 35,534 cycles
Part
Skin
Part number
UNKNOWN
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 INCH. FROM FRONT SPAR. INBOARD SIDE OF RIB. CRACK LENGTH = 0.800 INCH. APPROX. 2024-164979<[01] TOOL USED ON STEP 5: EDDY CURRENT EQUIPMENT P/N: NORTEC 500D; S/N: N500X12101V022235; DUE DATE: 07-SEP-24;[02] STEP 7 TOOL USED EDDY CURRENT EQUIPMENT P/N: NORTEC 500D; S/N: 500X1693P030457; CAL DUE DATE: 15-OCT-24;[03] PERFORMED REPAIR ON LT HORIZONTAL STABILIZER LOWER SKIN BTW STAB STA 193.9 TO STAB STA 203.10. AND 16 INCH. FROM FRONT SPAR. INBOARD SIDE OF RIB IAW B737-700 SRM 55-10-01-2R-11 REPAIR 11 FIG 204 DETAIL B; TABLE 201 AND 202<BR>SEE INDIVIDUAL SIGNOFFS BELOW;[04] PERFORMED REPAIR ON LT HORIZONTAL STABILIZER LOWER SKIN BTW STAB STA 193.9 TO STAB STA 203.10. AND 16 INCH. FROM FRONT SPAR. INBOARD SIDE OF RIB IAW B737-700 SRM 55-10-01-2R-11 REPAIR 11 FIG 204 DETAIL B; TABLE 201 AND 202<BR>CERTIFIED RII

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