What was found
NR 4 ENG THRUST REVERSER DEACTIVATION DOOR HAS CRACK COMING FROM UPPER SCREW HOLE. NO CRACK FOUND, UPPER FASTENER HOLE WORN AND OVERSIZED. INSTALLED FLUSH WASHER IN DAMAGED HOLE. REINSTALLED PANEL.
- Difficulty date
- June 1, 2012
- Submitted
- July 26, 2012
- Operation
- Air carrier
- Aircraft
- N197UA
- Make and model
- Boeing 747422
- Aircraft serial
- 26901
- Aircraft time
- 60,047 hours, 7,101 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 7830 · Engine Thrust Reverser
- Part
- Door
- Condition
- Damaged
- Location
- Thrust Reverser
- 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.