What was found
AC MOTOR PUMP, WITH HYDRAULIC PUMP OFF. LOW PRESSURE LIGHT DID NOT ILLUMINATE OR EICAS MESSAGE DISPLAY, CENTER PUMP NUMBER 1. EICAS MESSAGE DISPLAYS CORRECTLY. REPLACED LOW PRESSURE SWITCH.
- Difficulty date
- January 11, 2012
- Submitted
- January 26, 2012
- Operation
- Air carrier
- Aircraft
- N547UA
- Make and model
- Boeing 757222
- Aircraft serial
- 25368
- Aircraft time
- 75,176 hours, 21,930 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 2913 · Hydraulic Pump (Electric/Engine), Main
- Part
- Pressure Switch
- Condition
- Failed
- Location
- Hyd Pump
- 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.