Service difficulty report · Rib · Boeing 7377BD

Difficulty date
December 12, 2022
Submitted
January 30, 2023
Operation
Air carrier
Aircraft
N7744A
Make and model
Boeing 7377BD
Aircraft serial
33931
Aircraft time
51,253 hours, 26,798 cycles
Part
Rib
Condition
Cracked
Location
Vertical 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 8 LOC DORSAL FIN 321A AT VERTICAL STABILIZER 2022-691651<[01] REPLACED RIB 8 LOC DORSAL FIN 321A AT VERTICAL STABILIZER IAW B737-700 SRM 51-40-02 DWG #174A1008 SHEET 2 REV. C SEE INDIVIDUAL SING OF BELOW TOOL USED CALIPER P/N: 700-113-10 S/N: 0033152 DUE DATE: 08-OCT-23;[02] REPLACED RIB 8 LOC DORSAL FIN 321A AT VERTICAL STABILIZER IAW B737-700 SRM 51-40-02 DWG #174A1008 SHEET 2 REV. C SEE INDIVIDUAL SING OF BELOW TOOL USED CALIPER P/N: 700-113-10 S/N: 0033152 DUE DATE: 08-OCT-23

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