What was found
#1 ENG AFT FLANGE ASSY HAS CRACKS AROUND BOLT HOLES. GROUNDED - YES. REPLACED #1 ENG AFT FLANGE ASSY. REF B737-800 AMM 72-56-00. NO OTHER DEFECTS NOTED.
- Difficulty date
- February 23, 2023
- Submitted
- February 24, 2023
- Operation
- Air carrier
- Aircraft
- N562AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35091
- Aircraft time
- 59,708 hours, 17,590 cycles
- System (JASC)
- 7250 · Turbine Section
- Part
- Flange
- Part number
- 3401688030
- Condition
- Cracked
- Location
- #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.