Service difficulty report · Skin Panel · Boeing 7377CT

Difficulty date
March 18, 2023
Submitted
April 28, 2023
Operation
Air carrier
Aircraft
N7821L
Make and model
Boeing 7377CT
Aircraft serial
32748
Aircraft time
63,055 hours, 32,184 cycles
Part
Skin Panel
Condition
Cracked
Location
Zn 300 Stabilize
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 = 0.900 INCH. APPROX. 2023-200045<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600D; S/N: 220273012; DUE DATE: 17-DEC-23;[02] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600D; S/N: 220273012; DUE DATE: 17-DEC-23;[03] REPAIRED LT HORIZONTAL STABILIZER LOWER SKIN PANEL. LOCATED AT STAB STA 193.9 IAW B737-700 SRM 55-10-01-2R-11. SEE INDIVIDUAL SIGN OFF BELOW.;[04] CORRECTIVE ACTION 3 CERTIFIED RII <BR><BR>REPAIRED LT HORIZONTAL STABILIZER LOWER SKIN PANEL. LOCATED AT STAB STA 193.9 IAW B737-700 SRM 55-10-01-2R-11. SEE INDIVIDUAL SIGN OFF BELOW.

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