Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
April 20, 2021
Submitted
May 24, 2021
Operation
Air carrier
Aircraft
N939WN
Make and model
Boeing 7377H4
Aircraft serial
36646
Aircraft time
39,769 hours, 23,903 cycles
Part
Support Angle
Condition
Cracked
Location
Bs 380-400 Bl 0
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 SUPPORT ANGLE LOCATED BETWEEN BS 380 TO BS 400 BL 0 AT PASSENGER CABIN / REPLACED SUPPORT ANGLE AND FASTENER LOC BTW BS 380 AND BS 400 BL0 FWD PASSENGER CABIN IAW SRM B737-700 51-10-02 ITEM 9 AND DRAWING 143A5400 REV - MATERIAL USED ALLUMINIUM SHEET 7075 TO 10.071' PO 2021-146858

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