Service difficulty report · Tube · Boeing 737823

Difficulty date
December 20, 2020
Submitted
December 22, 2020
Operation
Air carrier
Aircraft
N885NN
Make and model
Boeing 737823
Aircraft serial
31139
Aircraft time
26,905 hours, 11,087 cycles
Part
Tube
Condition
Debonded
Location
R2 Window
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

AIRCRAFT WAS GROUNDED. LOUD SQUEAL FROM R2 WINDOW AT 16,000 FT, FLIGHT DIVERTED TO BOS; ON DESCENT, SQUEAL STOPPED AT 8500 FT. FOUND CONDENSATION TUBE DISBONDED FROM U-CHANNEL. REBONDED TUBE IAW AMM 56-11-11.