- Date
- October 1, 1972
- Place
- S.Francisco, CA · S.FRANCISCO, CA
- Injuries
- 9 minor, 88 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N7035UBoeing 727
- Status
- Completed · report April 5, 1973
- Report
- Brief approved by the director
- Case key
- 168664
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 1-0044 72/10/1 S.FRANCISCO,CALIF BOEING 727 CR- 0 0 6 SCHED DOM PASSG SRV ATP,FLIGHT INSTR., AGE TIME - 0830 N7035U PX- 0 0 91 50, 21378 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 4795 IN TYPE, INSTRUMENT RATED. NAME OF AIRPORT - SAN FRANCISCO INT OPERATOR - UNITED AIR LINES,INC. DEPARTURE POINT INTENDED DESTINATION LAST ENROUTE STOP BOISE,ID LOS ANGELES,CALIF S.FRANCISCO,CALIF TYPE OF ACCIDENT PHASE OF OPERATION GEAR COLLAPSED LANDING: ROLL COLLIDED WITH: BUILDING(S) LANDING: ROLL PROBABLE CAUSE(S) PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: SUBSTANDARD QUALITY CONTROL AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT FALSE FIRE WARNING REMARKS- STRESS CORROSION,FRNT TRUNNION BRG SUPPORT FITTING.PRE-EXISTING CRACKS PRODUCED DRG REWORK.
Aircraft
- Registration
- N7035U
- Reported as
- Boeing 727
- Category
- Airplane
- Engine
- turbo fan
- Damage
- Substantial damage
- Airport
- San Francisco Int
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.