What was found
THIS EO TASK (FORMERLY PMI TASK EA 59709) IS FOR THE LEFT SIDE AND ACCOMPLISHES DETAILED VISUAL, HFEC AND ULTRASONIC INSPECTIONS OF THE BS 955 LT FRAME FITTING FAIL-SAFE STRAP FOR CORROSION AND/OR CRACK DAMAGE. REPAIRS ARE ACCOMPLISHED IF CRACKS AND/OR CORROSION ARE FOUND. IF CRACKS AND/OR CORROSION ARE FOUND IN THE FAIL-SAFE STRAP, WITHIN REPAIRABLE LIMITS, THE FAIL-SAFE STRAP IS REPAIRED BY TRIM-OUT TO TERMINATE REPETITIVE INSPECTIONS. IF NO CRACKS ARE FOUND IN THE FAIL-SAFE STRAP, ABX HAS ELECTED TO ACCOMPLISH TRIMOUT OF THE FAIL-SAFE STRAP TO TERMINATE REPETITIVE INSPECTIONS. THE T-FITTING IS ALSO REPLACED AS A PREVENTATIVE MEASURE TO REDUCE FASTENER HOLE OVERSIZING IN THE STRUCTURE AND T-FITTING REPAIRS. IF CRACKS ARE FOUND IN THE FAIL-SAFE STRAP BEYOND REPAIRABLE LIMITS THE FAIL-SAFE STRAP IS REMOVED AND REPLACED. ADDITIONAL INSPECTIONS FOR CRACKS AND/OR CORROSION ARE ACCOMPLISHED ON THE SIDE FRAME FITTING, FUSELAGE SKIN AND WEB COMMON TO THE REMOVED ASSEMBLY. ADDITIONAL INSPECTIONS, REPAIRS, AND/OR FAIL-SAFE REPLACEMENTS ARE ACCOMPLISHED WHEN THE SIDE FRAME FITTING IS REMOVED. THE NEW FAIL SAFE STRAP IS VERIFIED THAT IT IS TRIMMED (NEW PART NUMBER) OR TRIMMED TO TERMINATE REPETITIVE INSPECTIONS. THIS TASK ACCOMPLISHES INSPECTIONS AND TRIM-OUT REPAIR OF THE LEFT STA 955 SIDE FRAME FITTING FAIL-SAFE STRAP IAW SB 767-53A0100, R3, DTD 02/06/2012. INSPECTIONS ARE MANDATED BY AD 2012-09-04, AMDT 39-17039 EFF 06/11/2012. IF INSPECTIONS DETERMINE THAT THE SIDE FRAME FITTING FAIL-SAFE STRAP REQUIRES REMOVAL AND REPLACEMENT THE STRAP IS REPLACED IAW SB 767-53-0116, R00, DTD 07/18/2012 APPROVED AS AMOC TO PARAGRAPHS (G), (H), (I) AND (J) TO AD 2012-09-04. COMPLETION OF SB 767-53A0100, R03 INSPECTIONS WITH FAIL-SAFE TRIM-OUT PROVIDES TERMINATING ACTION FOR INSPECTIONS ACCOMPLISHED BY ABX REQUIREMENT ABX-MPD-5350-143-07I (FORMERLY PMI TASK ""N 47995"") WHICH ARE MANDATED BY AD 2012-09-04. AD 2012-09-04 SUPERSEDES AD 2004-19-06 R1. AMOC EXTERNAL SHORING LOADS IAI REPORTS 368-53-00-95084 REV A AND 371-53-00-C0431 REV A IS APPROVED AS AN AMOC TO AD 2012-09-04 FOR AIRCRAFT JACKING AND SHORING LOADS AS REQUIRED BY 767-53A0100 R3 AND 767-53-0116 IR. REF FAA LETTERS 120S-12-493, DTD 08/20/2012 AND 120S-15-352 DTD 08/18/2015. INTERNAL SHORING TOOLING AMES INTERNAL SHORING TOOLING P/N 46725ATD12-1 IS APPROVED AS AN AMOC TO BOEING INTERNAL SHORING TOOLING P/N MIT145T2520-1 SPECIFIED IN BOEING SB 767-53-0116. REFERENCE FAA LETTER 120S-12-507 DATED 8/21/2012. A/C RETURNED TO SERVICE AFTER C1 CHECK COMPLETION."