What was found
ELONGATED HOLE COMMON TO H/STAB LHS LOWER DOUBLER (DWG 600-23044) AND RIB (DWG 601R23030) AT PCU ACCESS DOOR. HOLE DIMENSIONS AT DOUBLER ARE (P2) = .370" X .250. HOLE DIMENSIONS AT RIB ARE (P1) = .370" X .370. ***AIRCRAFT REMOVED FROM SERVICE*** REAMED HOLES TO FOLLOWING DIMENSIONS: (P1) = .3750" AND (P2) = 0.3750". PERFORMED HFEC WITH NO INDICATIONS. FABRICATED 2 EACH FREEZE PLUGS OUT OF 7075-T6 ALUMINUM ALLOY. INSTALLED FREEZE PLUG AT EACH HOLE LOCATION. OPENED HOLES AT (P1) AND (P2) TO 0.190" - 0.192" DIA. RESTORED PROTECTIVE FINISH. ALL WORK PERFORMED IAW MHIRJ REO 601R-55-11-698 REV (--) DATED 2021-10-27. WORK PERFORMED UNDER AERSALE WORK #003442 CARD #00011 TT: 39,871 TC: 39,263