What was found
AIRCRAFT IN BASE MAINTENANCE: CRACKED / MIS-DRILLED PASSENGER CABIN FLOOR SUPPORT BREAK ASSEMBLY LOCATED AT BS 540, FROM BL 0 TO RBL 23.5. REPLACED FLOOR SUPPORT BREAK ASSEMBLY PER AARD 51-00-05.
- Difficulty date
- September 28, 2023
- Submitted
- October 5, 2023
- Operation
- Air carrier
- Aircraft
- N877NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31131
- Aircraft time
- 35,619 hours, 15,142 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 143A524036SD
- Condition
- Cracked
- 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.