# SDR UIEA2019072604864

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2019
- Submitted: July 30, 2019
- Operation: Air carrier
- Aircraft: [N1439A](https://openairdocs.org/aircraft/N1439A), registered now
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 28495
- Aircraft time: 69,930 hours, 16,346 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 3987505
- Part serial: 2634
- Condition: Malfunctioned
- Location: Ac Bay
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019072604864

## Discrepancy

L BLEED DUCT LEAK. (<P>TRANSFERRED TO DMI 115382 PER MEL 21-51-01-01, CAT 'C', DUE DATE: 05-AUG-19. PLACARDS INSTALLED AND MX ACTION C/W. </P><P>LP 1053595 - M5: REMOVED AND REPLACED LEFT PACK TEMP CONTROL VALVE REF AMM 21-51-12. OPS CHECK NORMAL. THIS CLEARS MDDR 115382. PLACARD REMOVED. </P>)

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