Service difficulty report · Stiffener · Boeing 7378

Difficulty date
July 29, 2026
Submitted
September 1, 2026
Operation
Air carrier
Aircraft
N8713M
Make and model
Boeing 7378
Aircraft serial
36984
Aircraft time
22,028 hours, 10,412 cycles
Part
Stiffener
Condition
Corroded
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

CORROSION FLOOR STRUCTURE STIFFENER ON BS 947 AT LEVEL LBL 52 AND WL 208.1 AT AFT GALLEY AREA 2026-456142 REPLACED STIFFENER (INTERCOSTAL) AND FASTENERS LOCATED BTW BS 947 TO BS967 AT LEVEL LBL 52 AND WL 208.1 AT AFT GALLEY AREA IAW B737-8 SRM-51-40-02 AND DWG NO. 147A5650 SHEET 55 REV. A. SEE INDIVIDUAL SIGN OFF BELOW. REPLACED STIFFENER (INTERCOSTAL) AND FASTENERS LOCATED BTW BS 947 TO BS967 AT LEVEL LBL 52 AND WL 208.1 AT AFT GALLEY AREA IAW B737-8 SRM-51-40-02 AND DWG NO. 147A5650 SHEET 55 REV. A. SEE INDIVIDUAL SIGN OFF BELOW.

More about the Boeing 737-8