What was found
MAST RECEIVED FROM BELL AS SERVICEABLE REPAIRED. FOLLOWING DISCREPANCIES FOUND ON RECEIVING INSPECTION: 1. THE WORD 'REWORKED' NEVER WAS ENGRAVED ON FLANGE 'E' AS STATED ON BHT-C. R AND O MANUAL, SECTION 63-00-00, PAGE 62, PARAGRAPH 1, FIGURE 63-17. 2. INNER MAST AREA (BORE) WAS NEVER CLEANED AND CORE ON TOP SECTION IS MISSING. 3. FOUND PITTING CORROSION ON SPLINES K-M, AREA 'A', SURFACE 'N', AND SPLINES 'O' AS MARKED ON MAST.