# SDR UIEA2021070901502

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2021
- Submitted: July 23, 2021
- Operation: Air carrier
- Aircraft: [N1499A](https://openairdocs.org/aircraft/N1499A), registered now
- Make and model: Boeing 767328
- Aircraft serial: 27428
- Aircraft time: 83,265 hours, 18,667 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Heat Exchanger
- Part number: 1942723
- Part serial: 1032780
- Condition: Faulted
- Location: Lt A/C Pack
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021070901502

## Discrepancy

AFTER T/O LEFT PACK OFF & LEFT PACK TEMP EICAS MESSAGES. RAN QRH, CONTINUED FLT IN STANDBY MODE (N).  FOUND CONNECTOR D2152 ON /H PACK TO BE FAULTY.   REMOVED AND REPLACED LH PACK PRIMARY HEAT EXCHANGER IAW B767 AMM 21-51-02 OPS CHECK GOOD. P/N OFF: 194270-3,   REMOVED AND REPLACED LH PACK SECONDARY HEAT EXCHANGER IAW  AMM 21-51-02, OPS CHECKED GOOD.    OPS CHECK, LEAK CHECK GOOD.

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