# Incident 19970826028639I: Boeing 737322, Boston, MA, August 26, 1997

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: August 26, 1997, 07:03 local time
- Place: Boston, MA
- Airport: General Edward Lawrence Logan
- Phase of flight: Climb
- Operating rules: Air carrier (Part 121)
- Operator: UALA
- Location: 42.3629° N, 71.0064° W: Placed by OpenAirDocs at GENERAL EDWARD LAWRENCE LOGAN INTL (BOS), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3629&lon=-71.0064&mi=10
- Aircraft: N336UA, a cancelled registration (https://openairdocs.org/deregistered/N336UA-2015-05-19) (OpenAirDocs)
- Registry model: Boeing 737-322 (registry code 138447Y, https://openairdocs.org/model/boeing-737-322) (OpenAirDocs)
- Registry engine: CFM International CFM56 series (registry code 13802, https://openairdocs.org/engine/cfm-international-cfm56-series) (OpenAirDocs)
- Reported make and model: BOEING 737322
- People aboard: 2
- Fatal injuries: 0
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19970826028639I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

NARRATIVE: UNITED FLIGHT 201 DEPARTED BOS RUNWAY 09 AT 0642 EDT ON 8/26/97. AIRCRAFT EXPERIENCED CABIN PRESSURIZATION PROBLEMS. CABIN PASSENGER OXYGEN MASKS DEPLOYED AUTOMATICALLY WHEN CABIN ALTITUDE REACHED 14,000 FEET. AIRCRAFT SUBSEQUENTLY DESCENDED AND RETURNED TO BOSTON. ROW 3 AND FORWARD LAVATORY OXYGEN MASKS DID NOT DEPLOY. MAINTENANCE CHECKED ENTIRE PRESSURIZATION SYSTEM AND COULD NOT FIND OR DUPLICATE DISCREPANCY. CREW INTERVIEWED. AIRCRAFT RELEASED FOR SERVICE AND FERRIED TO INDIANAPOLIS FOR REPLACEMENT OF OXYGEN CANNISTERS AND TROUBLESHOOTING AND REPAIR OF ROW 3 AND FORWARD LAVATORY OXYGEN DISPENSER UNITS.

## Other reports on N336UA (2)

Matched to the same aircraft by N-number and date.

- [Incident 20030826022109I](https://openairdocs.org/incident/20030826022109I), Aug 26, 2003: Boeing 737322 (N336UA), Omaha, NE. (-23) United airlines flight 1582 departed Omaha, NE. Enroute to chicago IL, o'hare airport. During climb at 4,000 feet the right bleed air circuit breaker…
- [Incident 19900303028139I](https://openairdocs.org/incident/19900303028139I), Mar 3, 1990: Boeing 737322 (N336UA), Chicago, IL. Passenger smoked cigarette in lavatory on no smoking flight. Arrested by police on arrival.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft 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. For accidents, the NTSB's own investigation is the fuller record.

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