SDR 96ZZZM84

Service difficulty report · Bleed Linkage · Boeing 757212

Difficulty date: October 5, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N750AT
Make and model: Boeing 757212
Aircraft serial: 23126
Engine: Rroyce RB211*
System (JASC): 7530 · Compressor Bleed Control
Part: Bleed Linkage
Condition: Worn
Location: Lt Engine
Stage of operation: CR
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

IND - LEFT ENGINE POWER FLUCTUATES AT 9 CONSTANT POWER SETTINGS. FL 27,000, OAT -29, MACH .80, N1 77.8 TO 78.3, EPR 1.03 TO 1.04 EGT 415 TO 418. PERFORMED FIM PROCEDURES PER FIM 73-21-00 FIG 107. FOUND 2.5 BLEED LINKAGE WORN TO .125 INCH ITEM PLACED ON MCI AEE 1400/375. (M)