Service difficulty report · Intercostal · Boeing 737823

Difficulty date
August 12, 2026
Submitted
August 26, 2026
Operation
Air carrier
Aircraft
N958NN
Make and model
Boeing 737823
Aircraft serial
31203
Aircraft time
35,278 hours, 14,809 cycles
Part
Intercostal
Condition
Corroded
Location
Zone 200
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: EXFOLIATION CORROSION FOUND ON INTERCOSTAL AT STATION 948 TO 967 RIGHT BUTT LINE 50. MAINTENANCE INSTALLED NEW INTERCOSTAL AT STATION 948 TO 967 RIGHT BUTT LINE 50 PER AARD 51-00-05-1 AND AIPC 53-42-51-25E.