As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON INBD SLIDER AT RT ENGINE LOWER AND UPPER TRANSCOWL. DUE TO NOT ALLOWABLE DAMAGE ON INBD SLIDER AT RT ENGINE, LOWER TRANSCOWL (P/N: CN624-2001-011 S/N: SB1009) AND UPPER TRANSCOWL (P/N: CN624-2001-012 S/N: SB1006) WERE REPLACED BY RT SERVICIABLE LOWER TRANSCOWL (P/N:CN624-2001-013 S/N: SB1043) AND SERVICEABLE UPPER TRANSCOWL (P/N: KCN624-2003-6 S/N: SB0868) PER SRM 54-21-00-101-001-A01 AND IPC 78-33-01 AND WERE INSTALLED WITH CARD 900-78-440-120