Service difficulty report · Rib · Boeing 7377H4

Difficulty date
July 12, 2023
Submitted
August 14, 2023
Operation
Air carrier
Aircraft
N296WN
Make and model
Boeing 7377H4
Aircraft serial
36613
Aircraft time
52,196 hours, 31,408 cycles
Part
Rib
Part number
UNKNOWN
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 DORSAL FIN ANGLE AT RIB #8 AT VERTICAL STABILIZER 2023-443955<[01] REMOVED ANGLE LOC. DORSAL FIN AT RIB #8 IAW B737-700 SRM 51-40-02 AND PERFORMED CLEAN ON RIB IAW SOPM 20-30-03 AND PERFORMED DETAIL VISUAL INSPECTION AND NOT FOUND CRACK ON RIB. RE-INSTALLED ANGLE LOC. DORSAL FIN AT RIB #8 AT VERTICAL STABILIZER IAW B737-700 SRM 51-40-02 AND DWG 174A0103 REV: A. SEE INDIVIDUALS SIGN OFF BELOW;[02] TASK CARD COMPLETED <BR>REMOVED ANGLE LOC. DORSAL FIN AT RIB #8 IAW B737-700 SRM 51-40-02 AND PERFORMED CLEAN ON RIB IAW SOPM 20-30-03 AND PERFORMED DETAIL VISUAL INSPECTION AND NOT FOUND CRACK ON RIB. RE-INSTALLED ANGLE LOC. DORSAL FIN AT RIB #8 AT VERTICAL STABILIZER IAW B737-700 SRM 51-40-02 AND DWG 174A0103 REV: A. SEE INDIVIDUALS SIGN OFF BELOW

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