SDR CALA2020110401243

Service difficulty report · Seal · Boeing 757224

Difficulty date: November 4, 2020
Submitted: November 4, 2020
Operation: Air carrier
Aircraft: N41135
Make and model: Boeing 757224
Aircraft serial: 29284
Aircraft time: 85,566 hours, 18,287 cycles
System (JASC): 5610 · Flight Compartment Windows
Part: Seal
Condition: Loose
Location: Rear Window L2/L
Stage of operation: CR
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

WHILE CLB THRU FL265 VERY LOUD PIERCING SQUEAL OCCURRED FROM CENTER LOWER AREA OF L2/L3 WINDOWS DEBRIEFED CREW. PER CAPTAIN LOUDEST SQUEAL IS EMINATING FROM LOWER PART OF L2 /L3 WINDOW HIGH PITCHED SQUEAL. REMOVED AND REPLACED L2 WINDOW PRESSURE SEAL, PER AMM 56-11-53. PRESSURE CHECK REQUIRED AFTER SEALANT APPLIED, PER ITEM 4K DRYS. INSPECTED SEAL FOUND LOWER AFT SECTION LOOSE AND OUT OF TRACK. PRESSURIZE A/C, PER AMM 05-51-24 AFTER SEALANT CURED NO SQUEALING NOISE NOTED ON GROUND.