SDR FDEA2018081412014

Service difficulty report · Pressure Switch · Doug MD11F

Difficulty date: August 11, 2018
Submitted: August 29, 2018
Operation: Air carrier
Aircraft: N529FE
Make and model: Doug MD11F
Aircraft serial: 48624
Aircraft time: 54,559 hours, 12,373 cycles
Engine: Pwa PW4462
System (JASC): 7510 · Engine Anti-Icing System
Part: Pressure Switch
Part number: M117P1017
Part serial: 0019
Condition: Failed
Location: Nr 2 Engine
Stage of operation: NR
How discovered: O
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

LEVEL 3 ALERT FOR THE NR 2 ENGINE ANTI-ICE DUCT FAILURE, COMPLIED WITH QRH. REMOVED AND REPLACED THE NR 2 ENGINE ANTI- ICE VALVE IAW AMM 30-22-01, AND THE PRESSURE SWITCH IAW AMM 30-22-02. THE NR 2 ENGINE ANTI-ICE SYSTEM OPERATED NORMAL AND NO LEAKS FOUND IN DUCTING, OR VALVE ASSY.

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