What was found
L1 DOOR LOWER SILL INNER CHORD CRACKED AT FASTENER HOLE FRAME STA 312 / REMOVED AND REPLACED L1 DOOR LOWER SILL INNER CHORD BETWEEN STA 270 & STA 360 WL 208 REF B737-700 SRM 51-40-02-0G-0 & DWG #141A8110
- Difficulty date
- February 18, 2021
- Submitted
- March 24, 2021
- Operation
- Air carrier
- Aircraft
- N436WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 32456
- Aircraft time
- 60,477 hours, 35,616 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Door Sill
- Condition
- Cracked
- Location
- L1 Door
- 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.