What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK IN L1 DOOR SILL LOWER CHORD. REPLACED CHORD PER SRM 51-40-02.
- Difficulty date
- March 13, 2026
- Submitted
- April 9, 2026
- Operation
- Air carrier
- Aircraft
- N987AN
- Make and model
- Boeing 737823
- Aircraft serial
- 31069
- Aircraft time
- 49,815 hours, 21,286 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Door Sill
- Part number
- 654A00041073
- Condition
- Cracked
- 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.