Service difficulty report · Structure · Boeing 7377BD

Difficulty date
February 5, 2023
Submitted
March 6, 2023
Operation
Air carrier
Aircraft
N7746C
Make and model
Boeing 7377BD
Aircraft serial
33934
Aircraft time
50,644 hours, 26,573 cycles
Part
Structure
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 ACCESS PANEL 321A RIB 8 INTERNAL STRUCTURE VERTICAL STABILIZER 2023-99283<[01] TOOL USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112031023; DUE DATE: 01-FEB-24.;[02] REPLACED RIB 8 INTERNAL STRUCTURE VERTICAL STABILIZER IAW B737-700 SRM 51-10-02 ITEM 9 AND DGW 417A2150 REV B <BR>SEE INDIVIDUAL SIGN OFF BELOW;[03] CORRECTED STEP 2<BR>REPLACED RIB 8 INTERNAL STRUCTURE VERTICAL STABILIZER IAW B737-700 SRM 51-10-02 ITEM 9 AND DGW 174A1008 REV C<BR>SEE INDIVIDUAL SIGN OFF BELOW;[04] REPLACED RIB 8 INTERNAL STRUCTURE VERTICAL STABILIZER IAW B737-700 SRM 51-10-02 ITEM 9 AND DGW 174A1008 REV C <BR>SEE INDIVIDUAL SIGN OFF BELOW<BR>CERTIFIED AS RII

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