What was found
CRACK INDICATION L/H AFT PRESSURE BULKHEAD APPROX LBL 27.5 BELOW WL 138.8. "AIRCRAFT REMOVED FROM SERVICE" MAPPED AFT PRESSURE BULKHEAD WITH A TOTAL OF 10 INDICATIONS FOUND MEASURING AT THE FOLLOWING LOCATIONS: 1. WL 109.5-110.5 & RBL 27.5 L=1.0" 2. WL 106-106.5 & RBL 27.5 L=.5" 3. WL 92.9-93.5 & RBL 27.5 L=.6" 4. WL 128.5-134.5 & RBL 18.00 L=6.0" 5. WL 126.5-134.5 & BL 0.0 L=8.0" 6. WL 108.5-115 & BL 0.0 L=6.5" 7. WL 109-111.5 & LBL 18.0 L=2.5" 8. WL 96.5-100.5 & LBL 18.0 L=4.0" 9. WL 131.4-133 & LBL 27.5 L=2.6" 10. WL 94.2-101.2 & LBL 27.5 L=7.0" OLYMPUS/NORTEC 600D S/N 60007150515 CAL DUE 03 SEP 2020 PROBE EC/NDT PAB90602FX (50-500KZ) STANDARD ECRS-0824/AZ2024T3 S/N 1214003 MODIFICATION TO FS 621.00 PRESSURE BULKHEAD WEB REF AWAC EO # E17/003/453 REV B DTD JULY 3, 2019, AND BOMBARDIER REO 601R-53-61=1240 REV D DTD 10-31-2016 TO BE ACCOMPLISHED ON CARD NO 4EOAWA21045.