# SDR CALA2013110892743

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2013
- Submitted: November 11, 2013
- Operation: Air carrier
- Aircraft: N104UA
- Make and model: Boeing 747422
- Aircraft serial: 26902
- Aircraft time: 64,962 hours, 7,516 cycles
- Engine: Pwa PW4056
- System (JASC): [2997 · Hydraulic Power System Wiring](https://openairdocs.org/jasc/2997)
- Part: Connector
- Condition: Defective
- Location: Hydraulic Sys
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013110892743

## Discrepancy

UNABLE TO DEPRESSURIZE NR 2 EDP DURING ENG RUN.  INDICATION OPERATION NORMAL.  REPLACED CONNECTOR DV349 AT EDP, DUE TO  PUSHED BACK PIN IAW WD 29-11-12 DV349 HAS 28VDC & GOOD GNDS, NEEDS RUN TO VERIFY FIX.  ACCOMPLISHED ENG RUN & PUMP, OPERATIONS NORMAL.

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