What was found
NR 1 ENGINE EXHAUST TURBINE FLANGE HAS APPEARANCE OF DENT & POSSIBLE DAMAGE. GROUNDED - YES. NR 1 ENGINE TRF FLANGE DENT UNSERVICEABLE. REMOVED AND REPLACED TRF FLANGE REF AMM 72-56-00-400-801-F00 F2 AND 3 G1 AND 2.
- Difficulty date
- October 7, 2018
- Submitted
- October 9, 2018
- Operation
- Air carrier
- Aircraft
- N581AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35188
- Aircraft time
- 43,695 hours, 13,125 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7250 · Turbine Section
- Part
- Flange
- Part number
- 3401688020
- Condition
- Dented
- Location
- Nr 1 Engine
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.