737-400 GTCP APU INOP - TROUBLESHOOTING

2:38 PM 0 Comments

APU INOP
APU INOP!

Did some troubleshooting.
APU unable to start

We changed the APU ctrl unit, exciter box, Igniter lead, oil sequencing switch, FCU, Combustor, speed switch, ALL NIL Fix. Lastly we changed the APU, problem solved.. ahahhaa

Thank you for reading.