SDR 2002F00505

Service difficulty report · Engine · Boeing 75733N

Difficulty date: May 12, 2002
Submitted: May 16, 2002
Operation: Air carrier
Aircraft: N553TZ
Make and model: Boeing 75733N
Aircraft serial: 32587
Aircraft time: 2,149 hours, 866 cycles
Engine: Rroyce RB211535E4
Engine time: 2,158 hours, 869 cycles
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Surges
Location: Right
Stage of operation: DE
How discovered: O
Nature of condition: R
Precautionary procedure: K

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

What was found

FLIGHT NUMBER 926, ON DESCENT IN V NAV, AUTO THROTTLES ON, THE RIGHT ENGINE SURGES BETWEEN 1.43 TO 1.33 EPR. ALL OTHER ENGINE PARAMETERS SURGE AS WELL. MAINTENANCE PERFORMED TEST 3 IP/HP AIRFLOW TEST IN ACCORDANCE WITH MM 71-00-00, PAGE 521. NO DEFECTS NOTED.

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