# Incident 20000725027869I: Boeing 757251, Denver, CO, July 25, 2000

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: July 25, 2000, 08:26 local time
- Place: Denver, CO
- Airport: Denver International
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Air carrier (Part 121)
- Operator: NWAA
- Location: 39.8617° N, 104.6732° W: Placed by OpenAirDocs at DENVER INTL (DEN), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.8617&lon=-104.6732&mi=10
- Aircraft: N528US, a cancelled registration (https://openairdocs.org/deregistered/N528US-2017-07-21) (OpenAirDocs)
- Registry model: Boeing 757-251 (registry code 1384970, https://openairdocs.org/model/boeing-757-251) (OpenAirDocs)
- Registry engine: Pratt & Whitney PW2037 (registry code 52117, https://openairdocs.org/engine/pratt-whitney-pw2037) (OpenAirDocs)
- Reported make and model: BOEING 757251
- Reported engine: PWA PW2037
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20000725027869I

## Narrative

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

(-23)A NORTHWEST AIRLINES, INC. (NWA) BOEING B-757 AIRCRAFT N528US DURING FLIGHT #1224 ON JULY 17, 2000 FROM DENVER, CO TO DETROIT, MI, EXPERIENCED DEPRESSURIZATION AT APPROXIMATELY 36,000 FEET. THE CREW PERFORMED A RAPID DECSENT AND INITIATED A MANUAL OXYGEN MASK DROP, SUBSEQUENTLY AND TO DENVER WITHOUT FURTHER INCIDENT.  UPON LANDING AT THE DENVER AIRPORT, THE PILOT INITIATED A LOG PAGE DOCUMENTING NUMBEROUS OXYGEN GENERATORS THAT DID NOT FUNCTION PROPERLY.  APPARENTLY, ELEVEN OXYGEN GENERATORS HAD NOT ACTIVATE DURING THIS IN-FLIGHT PINS WERE INCORRECTLY INSTALLED IN THE GENERATOR FIRING MECHANISMS.

## Other reports on N528US (2)

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

- [Incident 19930228006109I](https://openairdocs.org/incident/19930228006109I), Feb 28, 1993: Boeing 757251 (N528US), Nashville, TN, Minor damage. Windshield started to crack. Diverted to nearest airport. Landed safely.
- [Incident 19900126009399I](https://openairdocs.org/incident/19900126009399I), Jan 26, 1990: Boeing 757251 (N528US), Syracuse, NY. Cargo door open warning. Emergency landing. Replaced faulty light switch.

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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