SDR P5CA0300717

Service difficulty report · Cable · Boeing 747300

Difficulty date: January 7, 2003
Submitted: January 13, 2003
Operation: Air carrier
Aircraft: N24837
Make and model: Boeing 747300
Aircraft serial: 24837
Aircraft time: 44,144 hours, 5,947 cycles
Engine: Ge CF650E2
Engine time: 47,898 hours, 10,405 cycles
System (JASC): 7530 · Compressor Bleed Control
Part: Cable
Part number: 2605290001
Part serial: CCKD956
Condition: Faulty
Location: Nr 4 Vsv Return
Stage of operation: DE
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 4 ENGINE COMPRESSOR STALL AT TOP OF DESCENT - EGT 700 DEGREES, N1 20 PERCENT LESS THAN OTHER ENGINES. STALL CLEARED AT 33.0. REPLACED NR 4 ENGINE VSV RETURN CABLE PER MM 75-30-00. BOROSCOPED ENGINE IAW AMM 72-00-00. ENGINE RUN CARRIED OUT AS PER AMM 71-00-00, TEST 4. ALL ENGINE, OPS SATISFACTORY.

More about the Boeing 747-300 SERIES