SDR UIEA2010072700119

Service difficulty report · A/C Pack · Boeing 7472D7B

Difficulty date: July 27, 2010
Submitted: July 27, 2010
Operation: Air carrier
Aircraft: N523MC
Make and model: Boeing 7472D7B
Aircraft serial: 21782
Aircraft time: 100,844 hours, 20,668 cycles
System (JASC): 2150 · Cabin Cooling System
Part: A/C Pack
Condition: Inoperative
Location: Nr 1
Stage of operation: CL
How discovered: O
Nature of condition: B
Precautionary procedure: B, A

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

What was found

ATB, ELECTRICAL SMOKE SMELL IN COCKPIT. RAN ELECTRICAL SMOKE CHECKLIST, WHEN STEP 6 ACCOMPLISHED, SMOKE DISSIPATED (IAW VERBAL CREW COMMENT, DURING CLIMB, WITH NR 1 PACK ON IS WHEN THE ELECTRICAL SMOKE SMELL WAS NOTICED. UPON INSPECTION OF NR1 ACM, FOUND INOP. PACK DEACTIVATED AND DEFERRED. INSPECTED COCKPIT, UPPER DECK AND SHIPS BATTERY, ALL OK)

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