SDR 98ZZZX4088

Service difficulty report · Valve · Boeing 75728A

Difficulty date: July 21, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N521AT
Make and model: Boeing 75728A
Aircraft serial: 24368
Engine: Rroyce RB211535E437
System (JASC): 7532 · Compressor Bleed Valve
Part: Valve
Part number: 32143042
Condition: Leaking
Location: Nr 2 Engine
Stage of operation: IN
Nature of condition: O
Precautionary procedure: K

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

What was found

MDW - DURING P/F, FOUND NR 2 ENGINE TRANSLATING COWL (11 O'CLOCK) WITH EVIDENCE OF HEAT DAMAGE. FURTHER INSPECTION REVEALED THE HIGH PRESSURE (PNEUMATIC) SHUT-OFF VALVE WAS LEAKING. TRANSLATING COWL AND PNEUMATIC VALVE WERE REPLACED, OPERATIONS CHECKED SYSTEM, AND OK FOR RETURN TO SERVICE.

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