SDR UIEA2020100902203

Service difficulty report · Switch · Boeing 76733A

Difficulty date: October 6, 2020
Submitted: October 9, 2020
Operation: Air carrier
Aircraft: N1997A
Make and model: Boeing 76733A
Aircraft serial: 27310
Aircraft time: 98,906 hours, 20,433 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Switch
Part number: 6411371
Part serial: 8609
Condition: Malfunctioned
Location: Lt A/C Pack Ovrh
Stage of operation: NR
How discovered: O
Nature of condition: J
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FOUND LEFT HAND PACK INOPERABLE. T/S, IAW FIM M 21-51-18. REMOVED AND REPLACED LEFT PACK OVERHEAT CONNECTOR, NO HELP. NEED TO REPLACE SENSOR S555, PART ON ORDER. REMOVED AND REPLACED LT PACK OVERHEAT SWITCH, IAW AMM 21-51-18. OPERATIONS TEST AND LEAK CHECK OK.

More about the Boeing 767-33A