Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
September 7, 2026
Submitted
September 17, 2026
Operation
Air carrier
Aircraft
N207WN
Make and model
Boeing 7377H4
Aircraft serial
34012
Aircraft time
67,408 hours, 40,812 cycles
Part
Stiffener
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 INTERNAL STRUCTURE STIFFENER LOCATED BTW BS 907 TO BS 927 AND BTW STRG 25R TO STRG 27R AFT POSITION AT AFT CARGO COMPARTMENT 2026-505555 REPLACED STIFFENER & FASTENERS LOCATED BTW BS 907 TO BS 927 AND BTW STRINGER 25R TO STRINGER 27R AFT POSITION AT AFT CARGO COMPARTMENT IAW SRM 51-40-02 AND DWG 147A7221 SHEET 17 REV D.

More about the Boeing 737-7H4