What was found
DURING HEAVY CHECK, RT WING NR 4 SPOILER PCU BOLT IS CORRODED. MAINTENANCE R & R RT WING NR 4 SPOILER PCU BOLT IAW AMM 27-65-01, PN NAS6212-31D, BOLT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK, RT WING NR 4 SPOILER PCU BOLT IS CORRODED. MAINTENANCE R & R RT WING NR 4 SPOILER PCU BOLT IAW AMM 27-65-01, PN NAS6212-31D, BOLT.