What was found
LEVEL 1 CORROSION NR 1 PYLON AFT BULKHEAD I/B AND O/B CHORDS HAVE LIGHT SURFACE ON FWD FACE FROM MID SPAR TO 12 DOWN. REMOVED CORROSION PER BOEING SRM 51-10-01 AND TREATED PER 51-10-02. SB/EO: NR 747-54-2159.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEVEL 1 CORROSION NR 1 PYLON AFT BULKHEAD I/B AND O/B CHORDS HAVE LIGHT SURFACE ON FWD FACE FROM MID SPAR TO 12 DOWN. REMOVED CORROSION PER BOEING SRM 51-10-01 AND TREATED PER 51-10-02. SB/EO: NR 747-54-2159.