SDR 9618881225

Service difficulty report · Seal · Doug DC1030

Difficulty date: August 29, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N225NW
Make and model: Doug DC1030
Aircraft serial: 46582
System (JASC): 5242 · Electrical/Electronic Compartment Doors
Part: Seal
Condition: Worn
Location: Center E/E Door
Stage of operation: CR
Nature of condition: O
Precautionary procedure: A

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

What was found

DURING CRUISE, CABIN PRESSURE FLUCTUATED AND UNABLE TO CONTROL NR 2 PNEUMATIC SYSTEM. FLIGHT RETURNED TO HNL. MAINTENANCE REPLACED THE CENTER E/E DOOR SEAL, REINSTALLED NR 1 AND NR 2 FAN BYPASS CHECK VALVE, AND LOCKED THE NR 2 PRSOV INTO THE CLOSED POSITION.

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