# SDR UALA2013061904270

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2013
- Submitted: June 28, 2013
- Operation: Air carrier
- Aircraft: [N218UA](https://openairdocs.org/aircraft/N218UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30222
- Aircraft time: 52,143 hours, 6,326 cycles
- Engine: Pwa PW40903
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Valve
- Part number: 32908881
- Part serial: 28
- Condition: Malfunctioned
- Location: Aft Cargo Heat
- 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/UALA2013061904270

## Discrepancy

CARGO HEAT VALVE ISSUES.   REPLACED AFT CARGO HEAT SHUTOFF VALVE (V21441) IAW AMM AND AFT CARGO OVERHEAT SWITCH (S21293) IAW AMM.

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