What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON CABIN FLOOR SUPPORT INTERCOSTAL BETWEEN BS 947 AND BS 967 AT RBL 48. REPLACED FLOOR SUPPORT PER SRM 53-70-51-1A-1 AND AARD 51-00-05-1.
- Difficulty date
- November 17, 2021
- Submitted
- December 1, 2021
- Operation
- Air carrier
- Aircraft
- N820NN
- Make and model
- Boeing 737*
- Aircraft serial
- 29559
- Aircraft time
- 35,481 hours, 14,474 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 147A5660U22
- Condition
- Corroded
- Location
- Zone 100 - Fuse
- 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.