SDR QXEA2017030800107

Service difficulty report · Bleed Valve · Bombdr DHC8402

Difficulty date: March 8, 2017
Submitted: March 8, 2017
Operation: Air carrier
Aircraft: N429QX
Make and model: Bombdr DHC8402
Aircraft serial: 4161
Aircraft time: 24,022 hours, 25,627 cycles
Engine: Pwc PW150A
System (JASC): 7532 · Compressor Bleed Valve
Part: Bleed Valve
Part number: 54009498
Part serial: GA1039
Condition: Failed
Location: Nr 1 Engine
Part time: 111,837 hours, 112,562 cycles
Stage of operation: CL
How discovered: V
Nature of condition: J
Precautionary procedure: A

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

What was found

CLIMBING THROUGH 10,000 FT, THE NR 1 FADEC CAUTIONED, WITH POWER PLANT MESSAGE. LEVEL AT 14,000FT ENGINE SURGES OF 10 DEGREES, 15 DEGREES TORQUE. DURING DESCENT DID NOT NOTICE ANY ENGINE SURGES. REMOVED AND REPLACED THE NR 1 P2.2 INTERSTAGE BLEED VALVE IAW AMM 75-31-11-000-801, AND 75-31-11-400-801. PERFORMED TWO ENGINE STARTS, NO FADEC CAUTION, PPT MESSAGE, OR RELATED CDS FAULTS.