A B757-200 WAS FOUND WITH THE AUX-1 PITOT-STATIC LINE TO THE ELEVATOR FEEL COMPUTER STILL CAPPED; ON THE CABIN SIDE OF THE AFT PRESSURE BULKHEAD. THIS WAS NOT NOTICED WHEN THE AFT GALLEY WAS INSTALLED.

Narrative

DURING ACCOMPLISHMENT OF JOB CARD; DRAIN PITOT STATIC SYS; LEAK CHK ALTERNATE STATIC/AUX PITOT SYS; STANDBY AIRSPD/STANDBY ALTIMETER CHK; A LEAK WAS FOUND IN THE AUX 1 PITOT LINES. AS PART OF TROUBLESHOOTING; LINES WERE CAPPED AS WE MOVED AFT THROUGH THE ACFT TO ISOLATE THE LEAK. 2 LEAKS WERE FOUND. THE FIRST LEAK WAS AT AN ELBOW FITTING NEAR THE AUX 1 PITOT TUBE. THE ELBOW WAS NOT IN STOCK AND ORDERED. AFTER 4 DAYS ACFT WITHOUT PART; THE ELBOW ARRIVED. WE INSTALLED IT AND FOUND THE AUX 1 PITOT CONTINUED TO LEAK OUT OF LIMITS. WE THEN STARTED ISOLATING AUX 1 LINES MOVING AFT. WE LOCATED A CRACKED T-FITTING NEAR THE ELEVATOR FEEL COMPUTER; REPLACED IT FROM LCL STORES. THE AUX 1 PITOT LINE TO THE ELEVATOR FEEL COMPUTER; ON THE CABIN SIDE OF THE AFT PRESSURE BULKHEAD; INADVERTENTLY REMAINED CAPPED. WE THEN ACCOMPLISHED SATISFACTORY LEAK CHKS OF THE AUX 1 PITOT SYS PER STEP 5 AND LOW RANGE LEAK CHKS OF AUX 1 AND AUX 2 SYS PER STEP 6. REMOVED AND REPLACED ELEVATOR FEEL COMPUTER AND CONNECTED THE AUX 1 PITOT LINE THAT WAS FOUND CAPPED AT THE AFT PRESSURE BULKHEAD. IT IS POSSIBLE THAT BOTH LEAK CHKS (STEPS 5 AND 6 OF JOB CARD) COULD HAVE BEEN SUCCESSFULLY ACCOMPLISHED WITH THE AUX 1 LINE CAPPED AT THE AFT PRESSURE BULKHEAD. AUX 1 SYS PRESSURE WOULD INDICATE ON THE STANDBY AIRSPD INDICATOR COMPARATOR IS BASICALLY INVISIBLE TO THE TEST SET. THIS MAY HAVE BEEN PREVENTED BY ANY OR ALL OF THE FOLLOWING: A FUNCTIONAL CHK OF THE ELEVATOR FEEL SYS PER AMM; AND (ADDED TO JOB CARD) A COMPLETE VISUAL INSPECTION OF ALL AFFECTED LINES; A FLAG AT ANY CAPPED LINES; A MORE COMPLETE RECORDING OF WORK IN PROGRESS ENTRIES; AND AN 'OK TO INSTALL' THE AFT GALLEY ON ITS INSTALL JOB CARD.