Service difficulty report · Channel · Boeing 737823

Difficulty date
July 25, 2026
Submitted
August 7, 2026
Operation
Air carrier
Aircraft
N878NN
Make and model
Boeing 737823
Aircraft serial
40768
Aircraft time
43,534 hours, 18,850 cycles
Part
Channel
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

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON Z CHANNEL AT STA 990, RBL 43. MAINTENANCE REPLACED ANGLE STIFFENER AT ST 990, RBL 43 IAW SRM 51-40-02.