SDR EIA980349

Service difficulty report · Valve · Doug DC933F

Difficulty date: November 19, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N945F
Make and model: Doug DC933F
Aircraft serial: 47279
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Valve
Condition: Failed
Location: Te Flaps
Part time: 47,496 hours
Stage of operation: AP
Nature of condition: J
Precautionary procedure: O

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

What was found

SEA - DURING APPROACH SET FLAPS TO 15 DEGREES (L FLAP 20R, R FLAP 15) FLAPS THEN BLEW BACK TO 10 DEGREE WHILE 15 SELECTED, SELECTED 25 GOT 30, SELECTED 40 GOT 45 INITIAL LANDED WITH 38 DEGREES. REPLACED FLAP CONTROL VALVE PER MM 27-51-1 SYSTEM CHECKED GOOD. (M)

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