# PHMSA Hazmat Incident I-2025070042 — LITHIUM ION BATTERIES INCLUDING LITHIUM ION POLYMER BATTERIES — AMF OHARE, IL

- **operation:** document
- **citation:** PHMSA Hazmat Incident I-2025070042
- **title:** PHMSA Hazmat Incident I-2025070042 — LITHIUM ION BATTERIES INCLUDING LITHIUM ION POLYMER BATTERIES — AMF OHARE, IL
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** Not available
- **effective on:** 2025-04-09
- **summary:** Serious reporter-submitted hazardous materials transportation incident on 2025-04-09 in AMF OHARE, IL.
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**body:**

PHMSA hazardous materials incident report I-2025070042.
Incident date: 2025-04-09.
Location: AMF OHARE, IL.
Mode: Air.
Carrier/reporter: AMERICAN AIRLINES, INC.
Shipper: INDIVIDUAL – NOT A COMPANY.
Materials: UN3480; LITHIUM ION BATTERIES INCLUDING LITHIUM ION POLYMER BATTERIES; hazard class 9; 0.0625 SLB released.
What failed: Basic Material; Basic Material.
How failed: Burst or Ruptured; Vented.
Reported failure causes: Commodity Self-Ignition; Defective Component or Device.
Reported result: Fire, Explosion.
Reporter-submitted DOT Form 5800.1 data may be incomplete, corrected, supplemented, or misreported. A record, serious-incident classification, failure description, or relationship to a reporting rule is not a PHMSA causal finding, compliance determination, or finding of a violation.
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