Service difficulty report · Skin · Boeing 7377H4

Difficulty date
September 13, 2021
Submitted
October 8, 2021
Operation
Air carrier
Aircraft
N906WN
Make and model
Boeing 7377H4
Aircraft serial
36887
Aircraft time
45,396 hours, 26,500 cycles
Part
Skin
Condition
Cracked
Location
L/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 ON STABILIZER LOWER SKIN AT STAB STA 193.90 ;7' FROM AFT SPAR ;I/B OF DRAIN HOLE.CRACK LENGTH :0.984'. ; / [20] REINSTALLED PANEL# 331BZ AT L/H HORIZONTAL STAB FRONT SPAR REF B737-700 SRM 51-40-02-0G-0; [21] VERIFIED PANEL 331BZ INSTALLATION; [22] WEIGH OF REPAIR PARTS & FASTENERS : 4.250 LBS. TOOL USED : ID# 161060; DUE DATE: 01-JUL.-22.; [23] 'DAMAGE REPAIRED PER EA 21-155-02769 WITH REPETITIVE INSPECTION PROGRAM DEFINED IN 21-155-02769-INSP.' <BR><BR>ENSURE THE 'EA-COMPONENT' REPAIR REFERENCE IS SELECTED; [24] SUMMARY EA 21-155-02769 WAS ISSUED; [25] VERIFIED STEP 22-24; [26] VERIFIED STEP 22-24

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