Service difficulty report · Skin · Boeing 7377BD

Difficulty date
January 28, 2025
Submitted
February 25, 2025
Operation
Air carrier
Aircraft
N7746C
Make and model
Boeing 7377BD
Aircraft serial
33934
Aircraft time
56,735 hours, 30,204 cycles
Part
Skin
Condition
Cracked
Location
Zone 300
Stage of operation
IN
How discovered
E
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 ON LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 17.5 INCHES FROM FRONT SPAR; INB SIDE OF RIB LENGTH APPROX= 0.875 INCHES. 2025-80794 <[01]. TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 190023010; DUE DATE: 05-AUG-25.; [02] PERFORMED REPAIR ON LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 17.5 INCHES FROM FRONT SPAR IAW B737 700 SRM 55-10-01-2R-11 REPAIR 11. SEE INDIVIDUAL SIGN-OFF BELOW.; [03] PERFORMED REPAIR ON LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 17.5 INCHES FROM FRONT SPAR IAW B737 700 SRM 55-10-01-2R-11 REPAIR 11. RII; SEE INDIVIDUAL SIGN-OFF BELOW.

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