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FIRMS code

Z934 UNITED AIRLINES MAINTENANCE STORES

Deleted Importer's premises

This code is deleted in CBP's FIRMS list. Don't use it on new filings. FIRMSapi keeps deleted codes so lookups of old paperwork still resolve; check the port listing for a replacement.

Facility details

FIRMS code
Z934
Name
UNITED AIRLINES MAINTENANCE STORES
Address
800 S Airport Blvd, San Francisco Maintenance Center
San Francisco, CA 94128-3115
Status
Deleted (D)
Facility type
Importer's premises (06)
CBP port
San Francisco Intl Arpt, CA (2801)
CBP region
7
Last changed
2026-10-23
Data as of
2026-10-23

Pre-filing validation

Validate Z934 before you file

Validation fails Z934: it's deleted, the reject ACE returns as 159. Search the port for an active replacement. 

curl https://api.firmsapi.com/v1/validate \
  -H "x-api-key: $FIRMSAPI_KEY" -H "content-type: application/json" \
  -d '{"code":"Z934","port":"2801","use":"location_of_goods"}'
Get a free key Validation guide

Source: U.S. Customs and Border Protection FIRMS code list, data as of 2026-10-23. FIRMSapi is not affiliated with CBP; confirm bond status and filing details in ACE.