A B737-300 WAS DISPATCHED WITH A DENT IN THE AFT FUSELAGE SKIN BELOW THE AFT CARGO DOOR BTWN A STRINGER BAY THAT WAS OUT OF DISPATCH LIMITS.

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CALLED TO ACFT TO INVESTIGATE DENTS IN FUSELAGE SKIN BELOW AFT CARGO DOOR. LAST SECOND CALL TO GATE. ALL MECHS EXTREMELY BUSY; MANY GATE CALLS IN WORKS. CALLED SUPVR FOR ASSISTANCE. INSTINCT TOLD ME ACFT NEEDED TO BE PULLED FROM SVC. SUPVR POINTED OUT THAT ALL A/Y DENT CALCULATIONS WERE WITHIN SRM LIMITS. I FELT PRESSURED TO KEEP ACFT INS VC. ENVIRONMENT EXTREMELY NOISY; OPS SUPVRS; RAMP AGENTS; RAMP SUPVRS; MAINT SUPVRS ALL CROWDED AROUND WORK AREA. SRM HAS MULTIPLE STEPS WHICH CONNECT TO DIFFERENT PAGES AND TABLES TO DETERMINE STATUS OF DENTS. SINCE THE DAMAGE A/Y CALCULATIONS MET SRM LIMITATIONS; IT SEEMED LOGICAL THAT DAMAGE WAS ACCEPTABLE FOR CONTINUED SVC. DUE TO HIGH DEMAND FOR MY PRESENCE FOR OTHER GATE CALLS; I ELECTED TO DOCUMENT SPECIFIC DAMAGE ON NRC [NON ROUTINE WRITE-UPS] CARDS AND MAKE REF TO THE NRC CARDS IN THE ACFT LOGBOOK TO EXPEDITE ACFT DEP. THIS IS AN APPROVED PROC PER COMPANY MPM. DURING PREPARATION OF NON ROUTINE CARDS AFTER DEP OF ACFT; I DISCOVERED THE LAST FOOTNOTE IN TABLE 1 SRM 53-00-01-1 PROHIBITED DENTS IN ADJACENT STRINGER BAYS. TO PREVENT OCCURRENCE IN THE FUTURE; WORK AREA SHOULD BE CLRED OF UNNECESSARY PERSONNEL. UNLESS MAINT SUPVR IS PREPARED TO MAKE ALL OF THE NECESSARY CALCULATIONS AND APPLY ALL REQUIREMENTS OF SRM REQUIREMENTS ON HIS OWN; SUPVR SHOULD DEFER JUDGEMENT TO THE MECH SIGNING THE LOGBOOK. AS STATED EARLIER; INSTINCT WAS TELLING ME SOMETHING WAS WRONG. I WANTED TO REMOVE ACFT FROM SVC; AT LEAST TEMPORARILY; TO MAKE A PROPER DETERMINATION OF DAMAGE. DUE TO SUPVR INPUT AND PRESSURE TO CONTINUE ACFT IN SVC; I NEGLECTED TO READ LAST FOOTNOTE FOR THE DENT LIMITATIONS IN SRM. SRM IS ALSO TEDIOUS TO INTERP AND REQUIRES EXTREMELY CAREFUL SCRUTINY. I DID NOT INSIST ON TEMPORARILY REMOVING ACFT FROM SVC. CROWDED WORK AREA WITH TOO MUCH CHATTER AND DISTRS; PRESSURE TO CONTINUE IN SVC. STRESS FROM HIGH NOISE.