What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK IN CABIN FLOOR SUPPORT AT STA 540 AND RBL 1. REPLACED FLOOR SUPPORT WITH NEW IAW AA B737NG SRM 51-40-02 AND 51-40-05 AND AMM 53-21-00.
- Difficulty date
- October 8, 2021
- Submitted
- October 29, 2021
- Operation
- Air carrier
- Aircraft
- N899NN
- Make and model
- Boeing 737*
- Aircraft serial
- 31151
- Aircraft time
- 27,656 hours, 11,405 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Floor Support
- Part number
- 143A524036
- 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.