Service difficulty report · Smoke Detector · Boeing 747273C

Difficulty date
November 22, 2000
Submitted
January 5, 2001
Operation
Air carrier
Aircraft
N470EV
Make and model
Boeing 747273C
Aircraft serial
20653
Part
Smoke Detector
Condition
Malfunctioned
Location
Cargo Bay
Stage of operation
DE
How discovered
O
Nature of condition
N
Precautionary procedure
F

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

What was found

MAD - FLT 708 - ON DESCENT, FORWARD CARGO FIRE WARNING LIGHT ILLUMINATED. DISCHARGED BTL, NR 1 AND BTL NR 2. VERIFIED NO FIRE OR SMOKE. INSPECTED FORWARD CARGO COMPARTMENT, NO ABNORMALITIES FOUND. CLEANED NR 1 AND NR 2 FORWARD CARGO SMOKE DETECTORS. OPS CHECK NORMAL PER MM 26-16-00. REPLACED UPPER AND LOWER FIRE BOTTLES AND PRESS SWITCHES PER MM 26-23-0. RII ACCOMPLISHED. (M)