Service difficulty report · Angle · Boeing 7377H4

Difficulty date
October 5, 2023
Submitted
October 30, 2023
Operation
Air carrier
Aircraft
N236WN
Make and model
Boeing 7377H4
Aircraft serial
34631
Aircraft time
57,973 hours, 34,648 cycles
Part
Angle
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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 COUNTERSINK HOLES (2EA) LOCATED ON INNER CHORD LOCATED ON BST 294.5 RBL 55 FWD GALLEY AREA; CRACK DIRECTION 12 OCLOCK BOTH APROX 2023-594664<[01] REPLACED INNER CHORD LOC BTW BS 259.5 TO BS 360 RBL 55 IAW B737-700 SRM 51-10-02 Ï¿½TEM 9 AND DRAWING#141A8310 SHEET 25 REV; SEE INDIVIDUAL SIGN OFF BELOW;[02] REPLACED INNER CHORD LOC BTW BS 259.5 TO BS 360 RBL 55 IAW B737-700 SRM 51-10-02 Ï¿½TEM 9 AND DRAWING#141A8310 SHEET 25 REV; SEE INDIVIDUAL SIGN OFF BELOW AS RII

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