# SDR CALA2014092492279

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2014
- Submitted: September 24, 2014
- Operation: Air carrier
- Aircraft: [N122UA](https://openairdocs.org/aircraft/N122UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 29168
- Aircraft time: 62,678 hours, 7,233 cycles
- Engine: Pwa PW4056
- System (JASC): [2550 · Cargo Compartments](https://openairdocs.org/jasc/2550)
- Part: Pdu
- Condition: Malfunctioned
- Location: Cargo Bay
- Stage of operation: IN
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2014092492279

## Discrepancy

AFT CARGO FWD RT PDU INOPERATIVE, STARTED TO SMOKE.  REPLACED AFT CARGO PIT FWD RT PDU PN 129100-3 IAW MM 25-53-0102.

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