Service difficulty report · Angle · Boeing 7377H4

Difficulty date
December 10, 2025
Submitted
January 5, 2026
Operation
Air carrier
Aircraft
N453WN
Make and model
Boeing 7377H4
Aircraft serial
29847
Aircraft time
70,040 hours, 41,687 cycles
Part
Angle
Condition
Cracked
Location
Zone 500
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 ANGLE TRAILING EDGE LOCATED ORSS 271 DEFLECTION CONTROL RIB AREA AT LT WING. REPLACED ANGLE TRAILING EDGE LOCATED ORSS 271 DEFLECTION CONTROL RIB AREA AT LT IAW B737-700 SRM 51-40-02-0G-0 SRM 51-10-02-0G-0 Ï¿½TEM 9 AND DWG 115A2930 SHEET 7 REV - MEASUREMENT OF CRACK: L: 0.391 INCHES.

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