# SDR UIEA2019060764403

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2019
- Submitted: June 7, 2019
- Operation: Air carrier
- Aircraft: [N1093A](https://openairdocs.org/aircraft/N1093A), registered now
- Make and model: Boeing 767-36N
- Registry model: [Boeing 767-36N](https://openairdocs.org/model/boeing-767-36n) (OpenAirDocs)
- Aircraft serial: 30111
- Aircraft time: 79,334 hours, 10,939 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Condition: Malfunctioned
- Location: Left
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019060764403

## Discrepancy

LEFT PACK INOP EICAS MESSAGE DISPLAYED.(<P>TRANSFER TO MDDR # 112784 IAW DDG 21-51-01-01 CAT C.</P><P>LOG PAGE 1050947 ITEM M5: REVERSED DDG. T/S PER AMM 21-51-14. LH PACK TEMP CONTROLLER. RAN PACK FOR 2 HRS, CYCLED SWITCH NUMEROUS TIMES DURING OPERATION. ALSO RAN ENGINES TO TRY AND DUPLICATE FAULT. NO FAULTS OR MSGS NOTED. OPS CK GOOD. THIS CLEARS DMI 112784.</P>)

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