# SDR UIEA2019040303763

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2019
- Submitted: April 3, 2019
- Operation: Air carrier
- Aircraft: [N1619A](https://openairdocs.org/aircraft/N1619A), registered now
- Make and model: Boeing 767-3Y0
- Registry model: [Boeing 767-3Y0](https://openairdocs.org/model/boeing-767-3y0) (OpenAirDocs)
- Aircraft serial: 26208
- Aircraft time: 72,338 hours, 12,631 cycles
- System (JASC): [2440 · External Power System](https://openairdocs.org/jasc/2440)
- Part: Control Unit
- Part number: 734285C
- Part serial: 0463
- Condition: Malfunctioned
- Location: External Power
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019040303763

## Discrepancy

EXTERNAL POWER SYSTEM INOP(<P>TRANSFERRED TO MDDR 109540. </P><P>LP 1018457 - M6: R&R EXT POWER RECEPTACLE IAW AMM 24-41-02-002-009 & 24-41-02-422-014, REF LOG PAGE 1018458 M7 FOR EXT PWR OPS CHECK. </P><P>LP 1018458 - M7: PERFORMED EXT POWER OPS CHECK IAW AMM 24-41-02. OPS CHECK FAILED. DMI 109540 REMAINS OPEN. </P><P>LP 1018458 - M8: REMOVED AND REPLACED BPCU IAW AMM 24-41-03. EXT POWER OPS CHECK GOOD AT THIS TIME. THIS CLEARS MDDR 109540 MCC NOTIFIED. PLACARDS REMOVED. </P>)

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