Service difficulty report · Skin · Boeing 73776N

Difficulty date
April 10, 2023
Submitted
May 15, 2023
Operation
Air carrier
Aircraft
N7723E
Make and model
Boeing 73776N
Aircraft serial
32670
Aircraft time
53,156 hours, 27,261 cycles
Part
Skin
Condition
Cracked
Location
Zn 200 Fus Top
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 LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 16.500 INCH FROM FRONT SPAR; INBD SIDE OF RIB. CRACK LENGTH IS 0.500 INCH 2023-237925<[01] TOOL USED: EDDY CURRENT EQUIPMENT; P/N: NORTEC 500D; S/N: N500X1210V022240; DUE DATE: 12 MAR 24.;[02] PERFORMED REPAIR LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 16.500 INCH FROM FRONT SPAR; INBD SIDE OF RIB. I.A.W B737-700 55-10-01-2R-11 REPAIR 11; SEE INDIVIDUALS SIGN-OFF BELOW;[03] RII ITEM <BR>PERFORMED REPAIR LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 16.500 INCH FROM FRONT SPAR; INBD SIDE OF RIB. I.A.W B737-700 55-10-01-2R-11 REPAIR 11; SEE INDIVIDUALS SIGN-OFF BELOW

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