SDR UIEA200700236

Service difficulty report · Bleed Valve · Boeing 7472D7B

Difficulty date: June 2, 2007
Submitted: June 22, 2007
Operation: Air carrier
Aircraft: N523MC
Make and model: Boeing 7472D7B
Aircraft serial: 21782
Aircraft time: 92,680 hours, 18,927 cycles
System (JASC): 7532 · Compressor Bleed Valve
Part: Bleed Valve
Part number: 73836222
Condition: Unresponsive
Location: Nr 4 Engine
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: D

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

What was found

WHILE TAXIING AFTER ENGINE START NR 4 ENGINE BLEED VALVE, VALVE CLOSED LIGHT ON, FOUND NO DUCT PRESSURE, WHEN ISOLATED FOR TROUBLE SHOOTING. PER MEL 36-5-1 TRANSFERRED TO FROM T0219M, DMI M07-100 ISSUED BY MCC HECTOR, ORANGE PLACARD INSTALLED.

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