What was found
A-SYSTEM HYDRAULIC QUANTITY WENT TO ZERO WHEN PUMPS SWITCHED ON. RETURNED TO MHT. *S/D* REPLACED THE FLAP FLOW LIMITING VALVES (P/N 1121 AND 2-10-9.5). ALSO, CHECKED A CASE DRAIN FILTERS. CHECKED BOTH A AND B SYSTEMS.
- Difficulty date
- November 14, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N7467U
- Make and model
- Boeing 727222
- Aircraft serial
- 21921
- Engine
- Pwa JT8D15
- System (JASC)
- 2750 · Trailing Edge Flap Control System
- Part
- Flow Valve
- Part number
- 1121
- Condition
- Leaking
- Location
- Te Flaps
- Stage of operation
- CL
- Nature of condition
- K, J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.