SVC-19A · Question #26
Please refer to the following information to answer the questions on the right. Rachel is starting a repair on a three-year-old MacBook Pro. After opening the device, she takes some time to visually…
The correct answer is A. Pour sand over the battery immediately. Pouring sand over an actively swelling battery is the correct Apple-certified response because sand is a dry, non-conductive material that smothers the reaction, contains potential flames, and prevents the spread of thermal runaway - Apple Authorized Service Providers are…
Question
Please refer to the following information to answer the questions on the right. Rachel is starting a repair on a three-year-old MacBook Pro. After opening the device, she takes some time to visually inspect the top case assembly with battery. After gaining agreement with the customer about repair time and cost, Rachel begins the replacement of the top case assembly with battery. If during the repair the battery cells begin to actively swell, how should Rachel respond?
Options
- APour sand over the battery immediately.
- BLeave the room for fifteen minutes.
- CCarefully continue the repair while monitoring the battery.
- DFind a fire extinguisher and keep it nearby.
How the community answered
(37 responses)- A84% (31)
- B5% (2)
- C8% (3)
- D3% (1)
Explanation
Pouring sand over an actively swelling battery is the correct Apple-certified response because sand is a dry, non-conductive material that smothers the reaction, contains potential flames, and prevents the spread of thermal runaway - Apple Authorized Service Providers are trained to keep a sand bucket specifically for this purpose.
Why the distractors are wrong:
- B (Leave the room): Abandoning an active battery emergency allows it to escalate into a fire unchecked - the technician must respond immediately.
- C (Continue the repair): An actively swelling battery indicates thermal runaway is imminent; continuing work risks explosion, fire, or exposure to toxic off-gassing.
- D (Fire extinguisher nearby): Standard fire extinguishers (CO2, dry chemical) are not the recommended tool for lithium battery events and are less effective than sand; this also wastes critical response time.
Memory tip: Think of the phrase "Sand it down before it blows up" - sand is the Apple-specific solution that "buries" the thermal event, just like you'd bury something dangerous to contain it.
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