What was found
APU DRAGS DOWN DURING MAIN ENGINE START. REPLACED APU PROPORTIONAL CONTROL VALVE. ENGINE START AND APU OPERATIONAL CHECKS NORMAL.
- Difficulty date
- October 13, 2017
- Submitted
- October 18, 2017
- Operation
- Air carrier
- Aircraft
- N732KA
- Make and model
- Boeing 73759D
- Aircraft serial
- 25065
- Aircraft time
- 45,486 hours, 39,132 cycles
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Control Valve
- Part number
- 36052392
- Part serial
- 20074608
- Condition
- Intermittent
- Location
- Apu Bay
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.