What was found
APU LOW DUCT PRESSURE LEVEL 1. PERFORMED BITE OF APU ECU REF MM 49-11-00 FIG 103. REPLACED NR 1 ENGINE REVERSE FLOW CHECK CONTROLLER, PER MM. RAN BOTH ENGINES ALL PARAMETERS ARE NORMAL DUCT PRESSURE.
- Difficulty date
- April 15, 2013
- Submitted
- May 15, 2013
- Operation
- Air carrier
- Aircraft
- N590UA
- Make and model
- Boeing 757222
- Aircraft serial
- 28708
- Aircraft time
- 60,273 hours, 16,845 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 7500 · Engine Bleed Air System
- Part
- Controller
- Condition
- Failed
- Location
- Reverse Flow
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.