During a plane captain preflight inspection of the engine compartment of an SH-60B, Petty Officer Ramosruano noticed a missing torque stripe on the B-nut
for the load-demand-spindle (LDS) cable.
" torque was established (incorporated in IETM May 2004 release).
Additional examination of the wastegate oil inlet hose at the B-nut
revealed that 4-5 threads were engaged and the B-nut
was finger loose.
He found a cracked B-nut
in an obstructed location on the underside of the No.
The crack was found on the end B-nut
taper at the fuel control.
Petty Officer Johnson also found a loose "B-nut
" on the engine-start pump while troubleshooting a leak on a different aircraft.
Post-crash examination revealed the B-nut
fitting securing the fuel line to the fuel flow transducer was loose.