What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION AROUND FASTENER HOLE ON FLOOR BEAM STA 947 RBL 50. REPLACE ENTIRE 947 FLOOR BEAM UPPER T-CAP DUE TO MULTIPLE AREAS OF CORROSION ( REF NRS 279, 284, 285).
- Difficulty date
- September 24, 2026
- Submitted
- October 21, 2026
- Operation
- Air carrier
- Aircraft
- N959NN
- Make and model
- Boeing 737823
- Aircraft serial
- 33329
- Aircraft time
- 35,773 hours, 14,920 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- 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.