SDR UALA2013020400616

Service difficulty report · Engine · Boeing 777222

Difficulty date: February 4, 2013
Submitted: February 5, 2013
Operation: Air carrier
Aircraft: N797UA
Make and model: Boeing 777222
Aircraft serial: 26924
Aircraft time: 66,891 hours, 9,334 cycles
Engine: Pwa PW40903
Engine time: 44,381 hours, 5,794 cycles
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Surges
Location: Nr 2
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

NR 2 ENGINE SILENT SURGE. PERFORMED TESTS IAW MM 71-00-00 P5XX, FIM 71-05 TASK 815 STEP B(1), MM 71-00-00 P5XX, FIM 71-08 TASK 828.1.2, & MM 71-00-00 P5XX. ALL TESTS PASSED. NO ENG SURGES NOTED. ACCOMPLISHED EG 7673, EG7 674 AND EG 7675, NO PROBLEMS FOUND.