SDR JGVR20201027001

Service difficulty report · Tube · Gulstm GIVXG450

Difficulty date: October 27, 2020
Submitted: October 27, 2020
Operation: Air carrier
Aircraft: N450QS
Make and model: Gulstm GIVXG450
Aircraft serial: 4046
Aircraft time: 10,503 hours, 5,235 cycles
System (JASC): 3830 · Waste Disposal System
Part: Tube
Condition: Out Of Position
Location: Lavatory
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

FOUND THE FORWARD LAVATORY VACUUM WASTE TUBE CLAMP TO BE CONTACTING THE UPPER WING PLANK DURING COMPLIANCE WITH CUSTOMER BULLETIN 206. DISSEMBLED VACUUM TUBE FOR ACCESS, BLENDED OUT CHAFED/CORRODED AREA. PERFORMED NDT AND REPORTED TO GULFSTREAM FOR REPAIR DISPOSITION. CLEANED, ALODINED, AND PRIMED BLENDED REPAIR AREA. REASSEMBLE VACUUM TUBE AND VERIFIED CLEARANCE OF THE WIGGINS COUPLING AND FOUND TO BE ABOVE THE .10" REQUIREMENT.