What was found
FWD LAVATORY SMOKE DETECTOR CHIRPS ONCE EVERY FEW MINUTES, SUSPECT WEAK BATTERY. REMOVED AND REPLACED 9 VOLT BATTERY OP'S CHECKED OK PER SMM 26-13-01 PAGE 401.
- Difficulty date
- November 20, 2011
- Submitted
- November 23, 2011
- Operation
- Air carrier
- Aircraft
- N487EV
- Make and model
- Boeing 747230B
- Aircraft serial
- 23286
- Aircraft time
- 100,729 hours
- System (JASC)
- 2611 · Smoke Detection
- Part
- Battery
- Condition
- Discharged
- Location
- Smoke Detector
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.