SDR UALA2012111406563

Service difficulty report · Strip · Boeing 757222

Difficulty date: November 14, 2012
Submitted: November 15, 2012
Operation: Air carrier
Aircraft: N512UA
Make and model: Boeing 757222
Aircraft serial: 24809
Aircraft time: 76,844 hours, 23,511 cycles
Engine: Pwa PW2037
System (JASC): 2120 · Air Distribution System
Part: Strip
Condition: Missing
Location: Ac System
Stage of operation: NR
How discovered: O
Nature of condition: W
Precautionary procedure: O

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

What was found

EXCESSIVE CABIN AIRFLOW AND NOISE AT ROW 3. OPEN CEILING PANELS AND INSPECTED DUCT WORK, NO LEAKS, RIGHT RECIRC FAN OFF TO REDUCE AIR VOLUME. INF- :NEED INFO FROM EG ON COA' S 506931 AND 506932. WORK RECENTLY ACP IN IAH FOR DUCT REPLACEMENT. FOUND NO CRACKS OR LOOSE HOSES. REF 5551 SAME PROBLEM AFTER COA ACP, INSTALLED MISSING PHENOLIC STRIP BETWEEN DIFFUSER AND DUCT AT ROW 3 REF IPC 21-22-03 SEALED AND LEAK CHECKED OK.