What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON UPPER FLANGE OF STA 987 FLOOR BEAM AROUND ONE FASTENER HOLE. LOCATED AT STA 987 AND LEFT BUTT LINE 45. INSTALLED DOUBLER REPAIR PER SRM 53-70-51-2R.
- Difficulty date
- April 30, 2022
- Submitted
- July 1, 2022
- Operation
- Air carrier
- Aircraft
- N839NN
- Make and model
- Boeing 737
- Aircraft serial
- 29557
- Aircraft time
- 35,183 hours, 14,582 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Flange
- 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.