What was found
DURING HEAVY MAINTENANCE, CORROSION ON INTERCOSTAL BTW FR12 TO FR13 AND STG 36L IN LH LATERAL AVIONICS COMPARTMENT; REMOVED AND REPLACED INTERCOSTAL BTW FR12 TO FR13 AND STG 36L IN LATERAL AVIONICS COMPARTMENT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE, CORROSION ON INTERCOSTAL BTW FR12 TO FR13 AND STG 36L IN LH LATERAL AVIONICS COMPARTMENT; REMOVED AND REPLACED INTERCOSTAL BTW FR12 TO FR13 AND STG 36L IN LATERAL AVIONICS COMPARTMENT.