Service difficulty report · Smoke Detector · Boeing 737924ER

Difficulty date
July 29, 2026
Submitted
July 30, 2026
Operation
Air carrier
Aircraft
N63820
Make and model
Boeing 737924ER
Aircraft serial
43534
Aircraft time
39,259 hours, 14,433 cycles
Part
Smoke Detector
Part number
4735975
Condition
No Test
Location
Zone 100
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

AFT CARGO FIRE TEST LIGHT DOES NOT COME ON. AFT CARGO LOOP A LOOP INOPERATIVE. B LOOP OPS CHECKED GOOD. REMOVED AFT CARGO SMOKE DETECTORS M2244 AND M2247 IAW AMM 26-16-01-000-80 1. INSTALLED REPLACEMENT SMOKE DETECTORS AT AFT CARGO M2244 IAW AMM 26-16-01-400-801. INSTALLED REPLACEMENT SMOKE DETECTORS AT AFT CARGO M2247 IAW AMM 26-16-01-400-801 PERFORMED CARGO BAY SMOKE DETECTION OPS CHECK FOR THE SMOKE DETECTORS AT AFT CARGO IAW AMM 26-16-00-710-801, OPS CHECKED GOOD.