SDR UALA2011033101561

Service difficulty report · Plate · Boeing 757222

Difficulty date: March 28, 2011
Submitted: April 27, 2011
Operation: Air carrier
Aircraft: N518UA
Make and model: Boeing 757222
Aircraft serial: 24871
Aircraft time: 70,633 hours, 22,236 cycles
Engine: Pwa PW2037
System (JASC): 2120 · Air Distribution System
Part: Plate
Condition: Missing
Location: Cabin
Stage of operation: NR
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

LOUD AIR NOISE IN FORWARD CABIN. REMOVE CEILING PANELS AS REQUIRED AND CHECK AIR DISTRIBUTION DUCT FOR DAMAGE AND CONDITION. REMOVED PANELS. FOUND ALL INTACT. RE-INSTALLED ALL PANELS. REMOVED NOZZLE BETWEEN MONITORS 2 AND 3. FWD OF MONITOR 3 FOUND 6" SECTION OF RESTRICTOR PLATE MISSING RELATIVE TO SPLICE WITH OEM RISER DUCT. SPLICED IN NEW SECTION. FOUND BROKEN WIRE IN THE P36 PNL, REPAIRED OP CKS GOOD. REINSTALLED NOZZLES AND CEILING PANELS.