SDR P5CA2020091400311

Service difficulty report · Controller · Boeing 7673JHF

Difficulty date: September 11, 2020
Submitted: September 16, 2020
Operation: Air carrier
Aircraft: N643GT
Make and model: Boeing 7673JHF
Aircraft serial: 37809
Aircraft time: 18,413 hours, 4,987 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Controller
Part number: 11518641
Part serial: 11518641122
Condition: Malfunctioned
Location: Lt A/C Pack Temp
Stage of operation: TX
How discovered: O
Nature of condition: M, J
Precautionary procedure: O, O

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

What was found

LT PACK INOP, COCKPIT WOULD NOT COOL DOWN, REMAINED OVER 33'C AT FL 340 ENTIRE FLIGHT. TRANSFERRED TO MDDR 134263 IAW MEL 21-51-01-01, CAT C. REMOVED AND REPLACED LT PACK TEMP CONTROLLER AND OPER CHECKED OK, NO FAULT FOUND, PER AMM 21-51-14/401. A/C OK FOR SERVICE. CLEARRED MDDR 134263. NOTIFIED MCC DISPATCH ZS 0639Z.

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