Service difficulty report · Intercostal · Boeing 737823

Difficulty date
July 9, 2026
Submitted
July 15, 2026
Operation
Air carrier
Aircraft
N902AN
Make and model
Boeing 737823
Aircraft serial
29504
Aircraft time
71,614 hours, 30,141 cycles
Part
Intercostal
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: GALVANIC CORROSION ON LT INBOARD INTERCOSTAL BS 947 TO 967, LBL 24. MAINTENANCE REPLACED LT INBOARD INTERCOSTAL BS 947 TO 967, LBL 24 IAW SRM 53-70-51-2R-5 AND IPC 53-42-51-23 AND SRM 51-40-02.