What was found
NR 1 ENGINE OIL TANK HEAT SHIELD MISSING UP TO THE FIRST CLAMP. LESS THEN 40 PERCENT. REMOVED DAMAGED HEATSHIELD. INSTALLED REPLACEMENT HEAT SHIELD.
- Difficulty date
- May 23, 2012
- Submitted
- July 13, 2012
- Operation
- Air carrier
- Aircraft
- N105UA
- Make and model
- Boeing 747451
- Aircraft serial
- 26473
- Aircraft time
- 73,663 hours, 8,707 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 7261 · Turbine Engine Oil System
- Part
- Heat Shield
- Part number
- 46M1024101
- Condition
- Missing
- Location
- Nr 1 Oil Tank
- 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.