Service difficulty report · Rib · Boeing 7377H4

Difficulty date
August 7, 2022
Submitted
August 25, 2022
Operation
Air carrier
Aircraft
N264LV
Make and model
Boeing 7377H4
Aircraft serial
32521
Aircraft time
52,647 hours, 31,317 cycles
Part
Rib
Condition
Cracked
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 DORSAL FIN PANEL 321A RIB AT BS 867 AT VERTICAL STABILIZER 2022-423338 / [01] TOOL USED:CALIPER P/N 4996A52 S/N 201219744 CAL DUE DATE 22 FEB 23.;[02] REPLACED RIB AND FASTENERS LOCATED ON DORSAL FIN PANEL 321A RIB AT BS 867 AT VERTICAL STABILIZER IAW B737-700 SRM 51-10-02 ITEM 9 AND DRAWING # 147A0101 REV B;[03] CORRECTED STEP 2<BR>REPLACED RIB AND FASTENERS LOCATED ON DORSAL FIN PANEL 321A RIB AT BS 867 AT VERTICAL STABILIZER IAW B737-700 SRM 51-10-02 ITEM 9 AND DRAWING # 147A0101 REV B SEE INDIVIDUAL SIGNOFFS BELOW;[04] REPLACED RIB AND FASTENERS LOCATED ON DORSAL FIN PANEL 321A RIB AT BS 867 AT VERTICAL STABILIZER IAW B737-700 SRM 51-10-02 ITEM 9 AND DRAWING # 147A0101 REV B SEE INDIVIDUAL SIGNOFFS BELOW

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