What was found
FLOOR BEAM AT FS 986.5 HAS AREAS OF CORROSION FROM LBL45-RBL45. GROUNDED - YES. REPAIRED FLOOR BEAM AT FS 986.5 IAW B737-900 SRM 53-70-51-2R-4 BY REMOVING AND REPLACING CORRODED REPAIR PARTS W- 3 O- .150 R- .110 L- 18 D-.040.
- Difficulty date
- June 21, 2021
- Submitted
- July 20, 2021
- Operation
- Air carrier
- Aircraft
- N305AS
- Make and model
- Boeing 737990
- Aircraft serial
- 30013
- Aircraft time
- 65,127 hours, 25,974 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 147A55068
- Condition
- Corroded
- Location
- Bs 986
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.