What was found
NR 1 ENGINE REAR FLANGE ASSY CRACKED AT THE INTERMEDIATE BOLT. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 ENGINE REAR FLANGE ASSY IAW AMM 72-56-00. SECURED.
- Difficulty date
- April 5, 2018
- Submitted
- April 9, 2018
- Operation
- Air carrier
- Aircraft
- N535AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35200
- Aircraft time
- 28,307 hours, 8,269 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7250 · Turbine Section
- Part
- Flange
- Part number
- 3401688030
- Condition
- Cracked
- 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.