# SDR UIEA2021042801017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2021
- Submitted: May 3, 2021
- Operation: Air carrier
- Aircraft: [N645GT](https://openairdocs.org/aircraft/N645GT), registered now
- Make and model: Boeing 767324
- Aircraft serial: 27393
- Aircraft time: 101,161 hours
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Bulb
- Part number: 6259469
- Part serial: 023C388
- Condition: Malfunctioned
- Location: Heat Exchanger
- Stage of operation: CL
- 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/UIEA2021042801017

## Discrepancy

ON CLIMB OUT EICAS R PACK TEMP EXTINGUISHED WITH STANDBY ( PACK TEMPERATURE CONTROL SYSTEMS, (-200/-300) (MAY BE INOPERATIVE OFF) )(<P>DEFERED IAW MEL 21-51-03 MDDR 146045 CAT C 8MAY21 PLACARD INSTALL</P><P>30APR2021 - 1276082 ITEM #10 - REMOVED AND REPLACED R/H PACK TEMP CONTROLLER IAW AMM 21-51-14. OPS CHECK GOOD. THIS CLEARS DMI 146045 PLACARDS REMOVED.</P><P>1MAY2021 - 1476083 ITEM #13 - REMOVED AND REPLACED RH PRIMARY HEAT EXCHANGER TEMPERATURE BULB IAW AMM 21-52-08. OPERATIONAL CHECK GOOD INDICATION NORMAL. P/N 28034-1, NSN</P><P><BR /></P>)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.