What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION FOUND ON 986.5 FLOORBEAM TEE FITTING. REMOVED CORRODED TEE FITTING AND REPLACED WITH NEW TEE FITTING DBF1555-11 IAW EA878112 AND SRM 53-70-51-2R-4.
- Difficulty date
- July 17, 2026
- Submitted
- September 1, 2026
- Operation
- Air carrier
- Aircraft
- N903AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29505
- Aircraft time
- 70,975 hours, 29,741 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- DBF155511
- Condition
- Corroded
- Location
- Zone 200
- 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.