Service difficulty report · Skin · Boeing 7377BD

Difficulty date
September 12, 2024
Submitted
October 28, 2024
Operation
Air carrier
Aircraft
N7740A
Make and model
Boeing 7377BD
Aircraft serial
33927
Aircraft time
57,036 hours, 31,366 cycles
Part
Skin
Condition
Cracked
Location
Zone 300
Stage of operation
IN
How discovered
V
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. 2024-572217<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 190023010; DUE DATE: 05-AUG-25.;[02] REPAIR EXTERNAL SKIN LOWER AT STAB STA 193.9 RIB AT LT HORIZONTAL STABILIZER IAW B737 700 SRM 55-10-01-2R-11 REPAIR 11. SEE INDIVIDUAL SIGN-OFF BELOW.;[03] REPAIR EXTERNAL SKIN LOWER AT STAB STA 193.9 RIB AT LT HORIZONTAL STABILIZER IAW B737 700 SRM 55-10-01-2R-11 REPAIR 11. SEE INDIVIDUAL SIGN-OFF BELOW.<BR>COMPLETED RII

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