What was found
LEFT ENGINE LP COMPRESSOR FROM CASE HAS NUMEROUS AREAS OF CORROSION UNDER ROTOR PATH LINING. REMOVED CORROSION AND FOUND A LARGE AREA OUT OF LIMITS IAW AMM 72-34-10-300-80.
- Difficulty date
- June 29, 2017
- Submitted
- June 30, 2017
- Operation
- Air carrier
- Aircraft
- N471UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 28842
- Aircraft time
- 17,467 hours, 12,167 cycles
- Engine
- Rroyce RB211535E4
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Liner
- Condition
- Corroded
- Location
- Lt Compressor
- 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.