What was found
AIRCRAFT WAS GROUNDED. AFTER COMPLETION OF SHUTDOWN CHECKLIST, NOTICED HORIZONTAL CRACK IN FIRST OFFICER NUMBER 1 WINDOW, APPEARED TO BE ON OUTSIDE. REMOVED AND REPLACED WINDOW, REF AMM 56-11-11 AND MCM CARD 56-94-03.
- Difficulty date
- October 24, 2020
- Submitted
- October 26, 2020
- Operation
- Air carrier
- Aircraft
- N977NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31225
- Aircraft time
- 15,912 hours, 6,515 cycles
- System (JASC)
- 5610 · Flight Compartment Windows
- Part
- Window
- Condition
- Cracked
- Location
- Nr 1
- Stage of operation
- TX
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.