SDR UALA2013011600268

Service difficulty report · Precooler · Boeing 777222

Difficulty date: January 14, 2013
Submitted: February 1, 2013
Operation: Air carrier
Aircraft: N229UA
Make and model: Boeing 777222
Aircraft serial: 30557
Aircraft time: 46,694 hours, 5,667 cycles
Engine: Pwa PW40903
System (JASC): 3610 · Pneumatic Distribution System
Part: Precooler
Condition: Cracked
Location: Nr 2 Engine
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

NR 2 ENGINE PRECOOLER IS CRACKED AT INBOARD TOP. REMOVED PRECOOLER. COMPLETED UP TO MM36-11 15 P415 ITEM 3.F.8. AOG Q3435 8EA WASHERS PCN 754-2661 FOR 3EA SUPPORT LINKS WASHERS FOR UNDER NUTS ON LWR END. OLD PRECOOLER DID NOT HAVE DATA PLATE. COMPLETED INSTALL TO STEP 3F (13) OF MM 36-11-15. FINISHED INSTALLATION OF PRECOOLER PER MM.