SDR SWAA092826

Service difficulty report · Wire · Boeing 7375H4

Difficulty date: May 2, 2009
Submitted: May 6, 2009
Operation: Air carrier
Aircraft: N509SW
Make and model: Boeing 7375H4
Aircraft serial: 24186
Aircraft time: 58,688 hours, 57,819 cycles
System (JASC): 2197 · Air Conditioning System Wiring
Part: Wire
Part number: W298
Condition: Chafed
Location: Outflow Valve
Stage of operation: CR
How discovered: O
Nature of condition: O
Precautionary procedure: G, A

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

What was found

DECLARED EMERGENCY. PRESSURIZATION LOST AT 36,000FT, CABIN AT 10,000FT INITIALLY. QRH FOLLOWED & DESCENT INITIATED. CABIN CONTROLLABLE ONLY IN MANUAL DESCENT. MASKS DEPLOYED AUTOMATICALLY. FOUND OUTFLOW VALVE WIRE CHAFED AT AFT CARGO COMPT. REPAIRED PER WDM.

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