# SDR UALA2012052702944

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2012
- Submitted: July 13, 2012
- Operation: Air carrier
- Aircraft: [N105UA](https://openairdocs.org/aircraft/N105UA), registered now
- 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](https://openairdocs.org/jasc/7261)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012052702944

## Discrepancy

NR 1 ENGINE OIL TANK HEAT SHIELD MISSING UP TO THE FIRST CLAMP.  LESS THEN 40 PERCENT.    REMOVED DAMAGED HEATSHIELD.  INSTALLED REPLACEMENT HEAT SHIELD.

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