SDR DHLA200800095

Service difficulty report · Epr System · Boeing 727227

Difficulty date: September 3, 2008
Submitted: September 15, 2008
Operation: Air carrier
Aircraft: N781DH
Make and model: Boeing 727227
Aircraft serial: 21996
Aircraft time: 61,311 hours, 34,617 cycles
System (JASC): 7711 · Engine Pressure Ratio (EPR)
Part: Epr System
Condition: Faulty
Location: Nr 3 Engine
Stage of operation: TO
How discovered: O
Nature of condition: O
Precautionary procedure: C

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

What was found

WHEN SETTING T/O THRUST, NR 3 ENGINE PARAMETERS WERE SIGNIFICANTLY LOWER WITH EPR READINGS MATCHED. T/O REJECTED AT 80 KTS, TEMP 27, PA 3925 GW 160K. NR 3 ENG EPR SYSTEM DEFERRED REF B737 MEL 77-1-1. CAT A DDD 3.6.09. ALL ASSOCIATED ENG INDICATIONS NORMAL. CONTROL NR 33529. PLACARD INSTALLED. FLIGHT NR 119. ACFT WAS GROUNDED. 9/12/2008 FOUND CONTAMINATION IN NR 3 PT2 LINE BLOWOUT AND REINSTALL LINE IAW B727, MM 77-11-0 RUN ENG IAW JRH 5.2. OPS CHECK GOOD. (K)