SDR 2ARF 20081102

Service difficulty report · Control Valve · Doug MD83

Difficulty date: October 25, 2008
Submitted: November 20, 2008
Operation: Air carrier
Aircraft: N838AM
Make and model: Doug MD83
Aircraft serial: 49397
Aircraft time: 65,512 hours, 32,311 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Control Valve
Part number: AYG70305513
Part serial: EM1852
Condition: Leaking
Location: Zone 100
Part time: 25,355 hours, 14,673 cycles
Stage of operation: LD
How discovered: O
Nature of condition: K
Precautionary procedure: O

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

What was found

DURING TAXING, THE CAPTAIN REPORTED FLAPS DISAGREE BETWEEN INSTRUMENT POSITION. MAINT DETECTED A HYD LEAK IN THE FLAP CONTROL VALVE AND IT WAS REPLACED AND TESTED IAW AMM 27-52-01 ALL CORRECT. DURING OVERNIGHT CHECK, MAINT PERFORMED VERIFY FLAP CONTROL VALVE IAW AMM 27-50-00, ALL CORRECT.

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