What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOORBEAM UPPER CHORD, LOCATED AT BS 986.5 BETWEEN RBL 42 AND RBL 43. REPAIRED FLOORBEAM PER SRM 53-70-51-2R-6, ALTERNATIVE 3.
- Difficulty date
- September 6, 2023
- Submitted
- September 27, 2023
- Operation
- Air carrier
- Aircraft
- N879NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31133
- Aircraft time
- 34,949 hours, 14,899 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- UNKNOWN
- 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.