SDR I5EA212N20180301

Service difficulty report · Smoke Detector · Boeing 737401

Difficulty date: March 22, 2018
Submitted: March 23, 2018
Operation: Air carrier
Aircraft: N420US
Make and model: Boeing 737401
Aircraft serial: 23987
Aircraft time: 71,522 hours, 47,395 cycles
System (JASC): 2611 · Smoke Detection
Part: Smoke Detector
Condition: Failed
Location: Aft Cargo
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFTER TAKEOFF, CLIMBING THROUGH FL060, AFT CARGO FIRE WARNING ILLUMINATED WITH MASTER WARNING LIGHT. CHECKLIST COMPLIED WITH, BOTTLE DISCHARGED, LANDING ACCOMPLISHED. ACCOMPLISHED A VISUAL INSPECTION OF AFT CARGO COMPARTMENT, NO SMOKE OR FIRE DAMAGE FOUND. PERFORMED CARGO SMOKE DETECTOR TEST, TEST FAILED IAW AMM 36-15-00.