What was found
CORROSION UNDER NR 2 ENGINE FAN FRAME NUTPLATES EXCEED ALLOWABLE BLEND LIMIT PER AMM 72-23-05-700-801-F00. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENG REF T/C 78471000 AND 78471001.
- Difficulty date
- March 14, 2019
- Submitted
- March 15, 2019
- Operation
- Air carrier
- Aircraft
- N508AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35691
- Aircraft time
- 40,515 hours, 12,135 cycles
- Engine
- Cfmint CFM567B273
- Engine time
- 40,186 hours, 12,054 cycles
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Frame
- Part number
- CFM567B273
- Part serial
- 896735
- Condition
- Corroded
- Location
- Nr 2 Engine
- Part time
- 40,186 hours, 12,054 cycles
- 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.