An incident report noted defects in another Mark 7: During initial inspection after receipt of a War Reserve Mk 7 Mod 5 bomb, it was observed that the safing and arming wires were in reversed locations in the Arm/Safe Retainer assembly, i.e., the arming wires were in the safing wire location and the safing wires were in the arming wire location. Four screws were missing from the assembly.
