Service difficulty report · Smoke Detector · Boeing 74746NF

Difficulty date
March 21, 2024
Submitted
March 22, 2024
Operation
Air carrier
Aircraft
N452PA
Make and model
Boeing 74746NF
Aircraft serial
30810
Aircraft time
95,137 hours, 16,174 cycles
Part
Smoke Detector
Part number
PU90461R2
Part serial
16794
Condition
False Activation
Location
Crew Rest
Stage of operation
CR
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

CREW REST SMOKE EICAS MSG. NO SMOKE OR FIRE CONFIRMED.(<P>WIRING CHECKED NORMAL PER B747-400 WDM 26-13-31 REV 33. NEED TO REPLACE R/H CREW REST SMOKE DETECTOR. PERFORMED CHECK FLIGHT DECK EQUIPMENT AND CABIN EQUIPMENT. PERFORMED FUMES SMELL CHECK IN BLEED DUCT WITH ENG AND APU RUNNING, CHECKS OK PER B747 FIM 21-00 TASK 810 REV 110. R/R R/H CREW REST SMOKE DETECTOR & OPS TEST OK PER B747 AMM 26-74-51 REV 110. COMPLETED B747 AMM TASK 05-51-50 REV 110.

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