What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION OF R4 DOOR SILL PLATE BETWEEN FR67 AND FR68 AT BL 124.5R, MEASURING L=4.5 IN, W=1.0 IN, W=0.177 IN. REPLACED SILL PLATE WITH NEW IAW AARD 51-00-00-03 AND SRM 51-42-00.
- Difficulty date
- June 26, 2020
- Submitted
- August 10, 2020
- Operation
- Air carrier
- Aircraft
- N122NN
- Make and model
- Airbus A321231
- Aircraft serial
- 6252
- Aircraft time
- 20,123 hours, 5,674 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Door Sill
- Part number
- D5348004320701
- Condition
- Corroded
- Location
- Frames 67-68
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.