Service difficulty report · Skin Panel · Boeing 7377H4

Difficulty date
June 23, 2022
Submitted
July 22, 2022
Operation
Air carrier
Aircraft
N773SA
Make and model
Boeing 7377H4
Aircraft serial
27881
Aircraft time
74,222 hours, 43,795 cycles
Part
Skin Panel
Condition
Cracked
Location
Lh Hor 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 193.90 AND 16 INCH. FROM FRONT SPAR. CRACK LENGTH = 0.700 INCH. APPROX. 2022-352802 / [01] TOOL USED EDDY CURRENT FLAW DETECTOR P/N: NORTEC 600D; S/N:210138203; DUE DATE:11-APR-23.;[02] TOOL USED EDDY CURRENT FLAW DETECTOR P/N: NORTEC 600D; S/N:210138203; DUE DATE:11-APR-23.;[03] TOOL USED: CALIPER; PN: 4996A52; SN: 170846216; DUE DATE: 19-JAN-23. PRECISION RADIUS GAUGE; PN:S167C; SN: AE-28449; DUE DATE: 11-JUL-22;[04] PERFORMED REPAIR ON LT HORIZONTAL STABILIZER LOWER SKIN PANEL LOCATED AT STAB STA 193.90 IAW B737-700 SRM 55-10-01-2R-11 REPAIR 11 SEE INDIVIDUAL STEP SING OFFS BELOW.;[05] PERFORMED REPAIR ON LT HORIZONTAL STABILIZER LOWER SKIN PANEL LOCATED AT STAB STA 193.90 IAW B737-700 SRM 55-10-01-2R-11 REPAIR 11 SEE INDIVIDUAL STEP SING OFFS BELOW. AS RII

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