What was found
AIRCRAFT WAS NOT GROUNDED. R1 WINDOW SHOWING SIGNS OF BURNING, PITTING, AND DELAMINATION NEAR LOWER OUTBOARD EDGE. REPLACED R1 WINDOW WITH SERVICEABLE UNIT, IAW WORKCARD 08L21056004.
- Difficulty date
- December 11, 2020
- Submitted
- December 15, 2020
- Operation
- Air carrier
- Aircraft
- N990NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31241
- Aircraft time
- 13,668 hours, 5,594 cycles
- System (JASC)
- 5610 · Flight Compartment Windows
- Part
- Window
- Part number
- 141A48002
- Condition
- Delaminated
- Location
- Cockpit R1
- 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.