Service difficulty report · Rib · Boeing 7377H4

Difficulty date
April 19, 2022
Submitted
May 13, 2022
Operation
Air carrier
Aircraft
N467WN
Make and model
Boeing 7377H4
Aircraft serial
33830
Aircraft time
60,732 hours, 35,930 cycles
Part
Rib
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 ON RIB AT LEVEL OF STA 95.96 LEADING EDGE PANEL HORIZONTAL STABILIZER LT SIDE 2022-204690 / [01] TOOL USED: CALIPER P/N: 500-196-30; S/N: A21033545; DUE DATE: 03-NOV-22;[02] REPLACED RIB AND FASTENER LOC. AT LEVEL OF STA 95.96 LEADING EDGE PANEL HORIZONTAL STAB. LH SIDE IAW <BR>B737-700 SRM51-40-02 AND DWG 186A1001; REV. A SHEET 10;[03] CORRECTED STEP 2.<BR>REPLACED RIB AND FASTENER LOC. AT LEVEL OF STA 95.96 LEADING EDGE PANEL HORIZONTAL STAB. LH SIDE IAW <BR>B737-700 SRM 51-10-02; ITEM 9 AND DWG 186A1001; REV. A; SHEET 10<BR>SEE INDIVIDUAL SIGNOFFS BELLOW.;[04] TASK CARD COMPLETED; RII; SEE INDIVIDUAL SIGNOFFS BELLOW

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