From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Narrative: after takeoff from slc airport, united airlines flight 1725, Boeing B-737 aircraft, N9054U, began yawing when climbing through FL 30.6. The yawing continued for 2 seconds and progressively worsened. Yaw damper and auto pilot were disconnected. Aircraft returned to slc and landed without incident. Uala maintenance replaced rudder power control unit (ual p/n 641-9613) and yaw damper (ual p/n 420-9156). The aircraft was ferried to sfo for further evaluation. At sfo, tests revealed corrosion of the D295 bench plug (p/n DPXAMA57335) of the yaw damper coupler. See united airlines mrr report no. 96UAL900834 for details. This investigation is closed.
As the FAA filed it
NARRATIVE: AFTER TAKEOFF FROM SLC AIRPORT, UNITED AIRLINES FLIGHT 1725, BOEING B-737 AIRCRAFT, N9054U, BEGAN YAWING WHEN CLIMBING THROUGH FL 30.6. THE YAWING CONTINUED FOR 2 SECONDS AND PROGRESSIVELY WORSENED. YAW DAMPER AND AUTO PILOT WERE DISCONNECTED. AIRCRAFT RETURNED TO SLC AND LANDED WITHOUT INCIDENT. UALA MAINTENANCE REPLACED RUDDER POWER CONTROL UNIT (UAL P/N 641-9613) AND YAW DAMPER (UAL P/N 420-9156). THE AIRCRAFT WAS FERRIED TO SFO FOR FURTHER EVALUATION. AT SFO, TESTS REVEALED CORROSION OF THE D295 BENCH PLUG (P/N DPXAMA57335) OF THE YAW DAMPER COUPLER. SEE UNITED AIRLINES MRR REPORT NO. 96UAL900834 FOR DETAILS. THIS INVESTIGATION IS CLOSED.
Other reports on N9054U · 7
Matched to the same aircraft by N-number and date.