What was found
CAPTAIN'S L1 WINDOW DELAMINATED BEYOND LIMITS. CREW REPORT, 1.5 INCH CRACK L1 WINDOW LOWER RIGHT CORNER. MOISTURE INGRESS AND BURN MARK. REMOVED AND REPLACED WINDOW ASSY PER MM. GROUND TEST PASSED.
- Difficulty date
- July 17, 2012
- Submitted
- August 17, 2012
- Operation
- Air carrier
- Aircraft
- N174UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24381
- Aircraft time
- 87,649 hours, 9,793 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5610 · Flight Compartment Windows
- Part
- Window
- Part number
- 06372
- Part serial
- 368
- Condition
- Failed
- Location
- Cockpit
- 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.