What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON L1 ENTRY LOWER SILL INNER CHORD (CREASE ANGLE) BETWEEN BS 340 AND BS 360 AT LBL 58. REPLACED INNER CHORD PER AARD 51-00-05-1.
- Difficulty date
- September 18, 2025
- Submitted
- October 7, 2025
- Operation
- Air carrier
- Aircraft
- N975AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29549
- Aircraft time
- 67,742 hours, 28,771 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Door Sill
- Part number
- 654A00041073
- 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.