Service difficulty report · Valve · Boeing 727233

Difficulty date
March 14, 2010
Submitted
March 15, 2010
Operation
Air carrier
Aircraft
N286FE
Make and model
Boeing 727233
Aircraft serial
22623
Aircraft time
40,847 hours, 26,017 cycles
Part
Valve
Part number
658385001
Part serial
6159187
Condition
Unknown
Location
Prbc Valve
Part time
8,266 hours, 6,248 cycles
Stage of operation
CL
How discovered
O
Nature of condition
R, J
Precautionary procedure
A

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

What was found

SHORTLY AFTER T/O HEARD LOUD POP. OBSERVED FLUCTUATING EPR ON ENG NR 2 WITH OIL TEMP APPROX 115 DEGREES C. RESTARTED NR 2 ENG AT REDUCED POWER SETTING REMAINDER OF FLIGHT WITH NORMAL INDICATIONS INCLUDING NORMAL OIL TEMP. INSPECTED INLET AND EXHAUST OF NR 2 ENG FOR ANY EVIDENCE OF DAMAGE. NONE FOUND. PERFORMED COMPRESSOR BLEED VALVE OPS TEST IN REF TO CHP 7-5 OF 727 JRH. OPS CK GOOD. PERFORMED TAKEOFF EPR TEST IN REF TO JRH CHP 7-15. TEST GOOD. NO FLUCTUATIONS IN EPR AND NO COMPRESSOR STALLS. ALL ENG PARAMETERS WERE WELL WITHIN LIMITS. GOOD, STRONG, STABLE ENG R & R THE NR 2 ENG PRESSURE RATIO BLEED CONTROL IN REF TO AMM 75-31-011-4 AS PRECAUTIONARY IAW MOCC. RAN ENG AND PERFORMED THE COMPRESSOR BLEED VALVE TEST IN REF TO JRH. NO PROBLEMS NOTED. AWAITING TDR RESULTS.