SDR IPXA2016070405358

Service difficulty report · Controller · Boeing 7474R7F

Difficulty date: July 3, 2016
Submitted: July 8, 2016
Operation: Air carrier
Aircraft: N583UP
Make and model: Boeing 7474R7F
Aircraft serial: 25867
Aircraft time: 109,135 hours, 18,573 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Controller
Condition: Failed
Location: Bleed Air Sys
Stage of operation: NR
How discovered: O
Nature of condition: O
Precautionary procedure: J

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

What was found

BLEED 1 EICAS, BLEED OVER PRESSURE 1, STATUS FRAME 36105900, FUEL DUMP 80.000 LBS, FOUND BLEED-1 PRESSURE REGULATING VALVE, CONTROLLER FAIL OPEN MSG 36226. DEFERRED NR 1 ENGINE PRV SYSTEM IAW MEL 36-11-8-3. R&R NR 1 ENG PRV AND PRVC PER MM 36-11-20 AND 36-11-10. NO DEFECTS NOTED. OPERATED ENG TO T/O POWER FOR 3 MINS. NO NR 1 ENG BLEED FAULTS. THIS CLEARS M580665. PLACARD REMOVED.

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