What was found
DURING A C-CHECK, NR 9 SPOILER HAS TWO SPOTS OF DELAMINATION ON UPPER SURFACE AT TRAILING EDGE AND PHENOLIC RUB STRIP AT BOTTOM TRAILING EDGE IS LOOSE. REMOVED NR 9 SPOILER FOR REPAIR IAW B727 MM. REMOVED PREVIOUS REPAIR AND CUT OUT DAMAGE AREA APROX 30.5 BY 6 INCHES BAGGED FOR MOISTURE REMOVAL IAW B727 SRM. CLEANED PREPPED & INSTALLED RESIN IMPREGNATED FIBERGLASS OVERLAY REPAIR & BAGGED FOR BONDING IAW B727 SRM. CURED REPAIR, SANDED, CLEANED AND INSTALLED FIBERGLASS SEALANT COMPOUND IAW B727 SRM. CURED SEALANT COMPOUND, SANDED SMOOTH, CLEANED, PRIMED & INSTALLED T/E TACK RIVETS IAW B727 SRM. REBONDED T/E RUB STRIP IAW B727 SRM. INSTALLED NR 9 SPOILER PANEL IAW 727 MM. OP CHECK PERFORMED GOOD IAW 727 MM.