SDR USAASB99070

Service difficulty report · Seal · Boeing 737201

Difficulty date: March 14, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N256AU
Make and model: Boeing 737201
Aircraft serial: 22798
System (JASC): 5240 · Service Doors
Part: Seal
Condition: Loose
Location: Service Door
Stage of operation: CR
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

CLT - FLT 2675 - AT FL 330, THE FORWARD SERVICE DOOR DEVELOPED A LOUD SQUEAL. CREW DESCENDED TO FL200 BUT SOUND CONTINUED AND BECAME QUITE ANNOYING. CAPTAIN DECIDED TO DIVERT TO CLT. WHILE DIVERTING TO CLT, SOUND CEASED AT 8,000 FEET. FLIGHT LANDED WITHOUT INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE FOUND THE FORWARD SERVICE DOOR SEAL DETACHED AT LOWER FORWARD CORNER. REINSTALLED DOOR SEAL. PRESSURIZED CABIN. NO LEAKS NOTED. (M)