What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT PASSENGER CABIN FLOOR BEAM UPPER CHORD LOCATED AT BS 947.4 FROM LBL 6.0 TO RBL 7.5. REPAIRED FLOORBEAM PER EA 346396 AND SRN 53-70-51-2R-5.
- Difficulty date
- July 25, 2023
- Submitted
- July 26, 2023
- Operation
- Air carrier
- Aircraft
- N912AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29513
- Aircraft time
- 62,140 hours, 25,342 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 147A55047
- Condition
- Corroded
- Location
- Zone 200 - 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.