Service difficulty report · Skin Panel · Boeing 7377H4

Difficulty date
July 15, 2022
Submitted
August 22, 2022
Operation
Air carrier
Aircraft
N495WN
Make and model
Boeing 7377H4
Aircraft serial
33869
Aircraft time
59,256 hours, 35,036 cycles
Part
Skin Panel
Condition
Cracked
Location
R/H Horiz. 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 RT HORIZONTAL STABILIZER LOWER SKIN PANEL. LOCATED AT STAB STA 193.90 AND 16 INCH. FROM FRONT SPAR. CRACK LENGTH = 0.750 INCH. APPROX. 2022-365588 / [01] EQUIPMENT P/N PHASEC 3D; S/N CZ1026/09; DUE DATE: 08-SEP-22 WAS USED.;[02] REPAIRED RT HORIZONTAL STABILIZER LOWER SKIN PANEL LOCATED BTW STAB STA 184.70 TO 203.10 AND 16 INCH. FROM FRONT SPAR IAW B737-700 SRM 51-40-02 AND SRM 55-10-09-2R-11 REPAIR 11; FIG. 204; SHEET 2; DETAIL B; TABLE 202; SEE INDIVIDUAL SIGN OFFS BELOW.;[03] CORRECTED STEP 2:<BR>REPAIRED RT HORIZONTAL STABILIZER LOWER SKIN PANEL LOCATED BTW STAB STA 184.70 TO 203.10 AND 16 INCH. FROM FRONT SPAR IAW B737-700 SRM 51-40-02 AND SRM 55-10-09-2R-11 REPAIR 11; FIG. 204; SHEET 2; DETAIL B; TABLE 202; THIS REPAIR IS CATEGORY B; THIS REQUIRED INSPECTION; THRESHOLD INSPECTION IS: 56;000 TOTAL FLIGHT CYCLES AND REPIT INSPECTION EVERY 9;000 TOTAL FLIGHT CYCLES; SEE INDIVIDUAL SIGN OFFS BELOW.;[04] TASK CARD COMPLETE AND CERTIFIED AS RII. <BR><BR><BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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