Service difficulty report · Support Angle · Boeing 7378H4

Difficulty date
April 29, 2026
Submitted
May 28, 2026
Operation
Air carrier
Aircraft
N8645A
Make and model
Boeing 7378H4
Aircraft serial
36907
Aircraft time
39,238 hours, 19,096 cycles
Part
Support Angle
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
V
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 SUPPORT ANGLE LOCATED BTW BS 380 TO BS 400 RBL 10 WL 208.1 AT PASSENGER CABIN. REPLACED SUPPORT ANGLE AND FASTENERS LOCATED BETWEEN BS 380 TO BS 400 RBL 10 AND WL 208.1 AT FLOOR STRUCTURE OF PASSENGER CABIN AREA IAW B737-800 SRM 51-10-02-0G-0 PARAGRAPH 9; B737-800 SRM 51-40-02-0G-0; DRAWING 143A5400 SHEET: 184; REV: - AND SHEET: 139; REV:-.

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