Service difficulty report · Skin · Boeing 7377H4

Difficulty date
February 16, 2023
Submitted
March 7, 2023
Operation
Air carrier
Aircraft
N934WN
Make and model
Boeing 7377H4
Aircraft serial
36642
Aircraft time
45,188 hours, 27,403 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 LH HORIZONTAL STABILIZER LOWER SKIN STAB.STA 193.90; I/B ROW; 16' FROM FRONT SPAR. CRACK LENGTH: 1' CRACK FOUND AT LH HORIONTAL STABILIER LOWER SKIN STAB.STA 193.90 I/B ROW 16&#34; FROM FRONT SPAR. CRACK LENGTH: 1&#34;<[01] LT HORIZONTAL STABILIZER LOWER SKIN AT STA 193.90; I/B ROW; REMOVED PAINT FROM LOWER SKIN; AS PER B737 AMM 51-21-11-370-801 NG;[18] FABRICATED DOUBLER AND FILLERS REPAIR PARTS AS PER EA-23-155-00668-WIP1 <BR>FABRICATED PARTS WEIGHED 3.10 LBS TOOL ID: 161060 CALIBRATION DUE DATE: 29-SEP-23;[25] INSTALLED REPAIR PARTS AS PER 23-155-00668-WIP1 INSTRUCTIONS; AND PER B737-700 SRM 51-40-02-0G-0.;

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