Service difficulty report · Cartridge · Boeing 7378H4

Difficulty date
March 17, 2026
Submitted
April 13, 2026
Operation
Air carrier
Aircraft
N8631A
Make and model
Boeing 7378H4
Aircraft serial
42385
Aircraft time
39,753 hours, 19,327 cycles
Part
Cartridge
Condition
Cracked
Location
Zn 600 Right Win
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 FOUND ON RH O/B AFT FLAP CATRIDGE INNER SURFACE; L: 0.380. REMOVED AND REPLACED RT OTBD AFT FLAP CARTRIDGE IAW SRM 51-40-02 AND GWN# 113A3700 REV: F.

More about the Boeing 737-8H4