SDR ASAA2018112027090

Service difficulty report · B-Nut · Boeing 737890

Difficulty date: November 20, 2018
Submitted: November 27, 2018
Operation: Air carrier
Aircraft: N583AS
Make and model: Boeing 737890
Aircraft serial: 35681
Aircraft time: 42,978 hours, 12,714 cycles
System (JASC): 7530 · Compressor Bleed Control
Part: B-Nut
Condition: Loose
Location: Nr 1 Engine
Stage of operation: IN
How discovered: O
Nature of condition: K
Precautionary procedure: K

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

What was found

FUEL LEAKING AT 9 O’CLOCK STRUT ON NR 1 ENGINE. GROUNDED - YES. REMOVED 9:00 STRUT PANEL FOR ACCESS. SECURED & TORQUED, LOOSE VBV FUEL TUBE "B" NUT AT THE STRUT MOUNT, INSTALLED STRUT FAIRING AT THE 9 O’CLOCK POSITION, REF SHOP MANUAL 72-00-00 -ASSY 002. LEAK CHECK GOOD, NO LEAKS NOTED.