SDR SWAA2019012328820

Service difficulty report · Engine · Boeing 7377H4

Difficulty date: January 18, 2019
Submitted: January 23, 2019
Operation: Air carrier
Aircraft: N210WN
Make and model: Boeing 7377H4
Aircraft serial: 34162
Aircraft time: 48,595 hours, 28,667 cycles
Engine: Ge CFM567B24
Engine time: 14,987 hours, 8,998 cycles
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Part number: CFM5677B24
Part serial: 877503
Condition: Faulty
Location: Right
Stage of operation: CR
How discovered: O
Nature of condition: R
Precautionary procedure: A

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

What was found

DIVERSION/DECLARED EMERGENCY, DURING CRUISE DESCENT 40,000 TO 38,000FT. NR 2 ENGINE SURGED 5 TO 6 TIMES. CROSSFEED WAS OPEN & FWD & AFT NR 2 MAIN TANK PUMPS OFF. FUEL IMBALANCE 4300LBS (L) 4000LBS. DURING SURGES NR 1 N1 71% NR 2 N1 56% AND VARYING 51% TO 56% WHEN BOOST PUMPS TURNED ON -SURGING STOPPED. R&R NR 2 ENGINE PER MT.

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