SDR AALA2009020201016

Service difficulty report · Duct · Boeing 757223

Difficulty date: February 2, 2009
Submitted: June 18, 2009
Operation: Air carrier
Aircraft: N661AA
Make and model: Boeing 757223
Aircraft serial: 25295
Aircraft time: 53,755 hours, 18,588 cycles
System (JASC): 2120 · Air Distribution System
Part: Duct
Condition: Cracked
Location: Ac Bay
Stage of operation: CR
How discovered: O
Nature of condition: K, B
Precautionary procedure: A

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

What was found

MIA - IN FLIGHT SJU-ORD - CREW REPORTED BURNING SMELL IN THE CABIN AND THE COCKPIT. LANDED MIA WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND CRACKED DUCT AT FLANGE LEADING INTO RIGHT PACK BAY AND LOOSE OIL LINES LEAKING NEAR PNEUMATIC DUCT THAT ROUTES BLEED AIR FROM THE APU TO THE PACKS. TIGHTENED OIL LINES AND REPLACED CRACKED PNEUMATIC DUCT. SYSTEM GROUND CHECK NORMAL OPERATION.