SDR P5CA2010042801634

Service difficulty report · Switch · Boeing 74746NF

Difficulty date: April 28, 2010
Submitted: April 28, 2010
Operation: Air carrier
Aircraft: N454PA
Make and model: Boeing 74746NF
Aircraft serial: 30812
Aircraft time: 35,215 hours, 5,576 cycles
System (JASC): 5270 · Door Warning System
Part: Switch
Condition: Dirty
Location: Escape Hatch
Stage of operation: TO
How discovered: O
Nature of condition: N
Precautionary procedure: C

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

What was found

DURING TAKEOFF ROLL RECEIVED STATUS MESSAGE - UPPER DECK ESCAPE HATCH OPEN. UPPER DECK HATCH LINER REMOVED FOR DVI, DOOR FRAME, SKIN, SEAL, AND MECHANISM CHECKED WITH NO DEFECTS FOUND. LINER RE-INSTALLED. DOOR OPEN AND CLOSE WITH MICRO-SWITCH CLEANED AND OPERATIONAL CHECKED PER AMM 52-71-01 OK. MESSAGE ERASED. CONDITIONAL INSPECTIONS ACCOMPLISHED PER AMM 05-51-10 & 05-51-26.

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