What was found
AIRCRAFT IN BASE MAINTENANCE: FOUND EXFOLIATION CORROSION ON CABIN FLOOR STRUCTURE Z ANGLE AT FS 992 LBL-33. REMOVED AND REPLACED Z ANGLE IAW BOEING DWG 147A5700 AND AARD 51-00-05-1.
- Difficulty date
- August 11, 2026
- Submitted
- September 4, 2026
- Operation
- Air carrier
- Aircraft
- N958NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31203
- Aircraft time
- 35,278 hours, 14,809 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Angle
- Part number
- 147A57101
- Condition
- Corroded
- Location
- Zone 200
- 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.