SDR SRAA99512

Service difficulty report · Filters · Boeing 747212B

Difficulty date: September 25, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N745SJ
Make and model: Boeing 747212B
Aircraft serial: 20888
Engine: Pwa JT9D7J
System (JASC): 7530 · Compressor Bleed Control
Part: Filters
Condition: Clogged
Location: Nr 2 Ebc
Stage of operation: DE
Nature of condition: X
Precautionary procedure: E

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

What was found

AT TOP OF DESCENT INTO MIA AT 43,000 FEET, NR 2 ENGINE STALLED AS THRUST BEING REDUCED, SHUT DOWN ENGINE, EGT AT 950 DEGREES, ENGINE RESTARTED NORMALLY AT 16,000 FEET. TROUBLESHOT ENGINE FOUND ENGINE BLEED CONTROL FILTER CLOGGED. REPLACED FILTER, PERFORMED ENGINE RUN UP, OPS CHECKED GOOD PER MM CH 71. (M)

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