Service difficulty report · Skin · Boeing 7377CT

Difficulty date
January 24, 2023
Submitted
March 8, 2023
Operation
Air carrier
Aircraft
N567WN
Make and model
Boeing 7377CT
Aircraft serial
32747
Aircraft time
67,166 hours, 34,728 cycles
Part
Skin
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 FOUND AT LEFT HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 ; 17' FROM FRONT SPAR ; I/B ROW . CRACK LENGTH : 0.75' CRACK FOUND AT LEFT HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 17' FROM FRONT SPAR I/B ROW .CRACK LENGTH : 0.75'.<[01] REMOVED PAINT BY STRIPPING SKIN CRACK AREA AT LEFT HORIZONTAL STABILIZER LOWER IN- SPAR SKIN AT STA 193.90; 17' FROM FRONT SPAR; I/B ROW AS PER B737-700 AMM 51-21-11-150-810.[15] INSTALLED REPAIR PARTS AT LT HORIZONTAL STAB LOWER SKIN STA 193.90 REF B737-700 SRM 55-10-01-2R-11 FIG 204.;[16] VERIFIED 14-15.;[17] APPLIED TOP COAT AT REPAIR AREA REF B737-700 AMM 51-21-73-370-803.;[18] ACCOMPLISHED PERMANENT REPAIR AT LT HORIZONTAL STAB LOWER SKIN STA 193.90 REF B737-700 SRM 55-10-01-2R-11 FIG 204.;[19] FINAL INSPECTION; LOWER IN-SPAR SKIN REPAIR. ALL WORK PERFORMED.

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