What was found
DURING HEAVY CHECK MAINTENANCE FOUND RT OB MAIN FLAP INTERNAL BACKUP RIB ABOVE IB FLAP TRACK IB RIB HAS CORROSION AROUND THE NUTPLATE. REMOVED AND REPLACED FLAP ASSY 170-33001-420 IAW AMM 27-51-07-00/400-801. OPERATIONAL CHECK GOOD.
- Difficulty date
- December 4, 2018
- Submitted
- January 11, 2019
- Operation
- Air carrier
- Aircraft
- N644RW
- Make and model
- Emb ERJ170100SE
- Aircraft serial
- 170000061
- Aircraft time
- 39,107 hours, 24,505 cycles
- System (JASC)
- 5753 · Trailing Edge Flaps
- Part
- Rib
- Part number
- 17033001420
- Condition
- Corroded
- Location
- Te Flap
- 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.