What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION OF CABIN FLOOR SUPPORT INTERCOSTAL BETWEEN STA 947 AND STA 967 BETWEEN RBL 50 AND RBL 53, MEASURING L=1.0 IN, W=1.0 IN, D=0.04 IN. REPLACED INTERCOSTAL WITH NEW IAW AARD 51-00-05.
- Difficulty date
- March 24, 2021
- Submitted
- April 16, 2021
- Operation
- Air carrier
- Aircraft
- N979AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29568
- Aircraft time
- 35,612 hours, 14,399 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 1474566022
- Condition
- Corroded
- Location
- Zone 100
- 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.