SDR AALA980438

Service difficulty report · Duct · Boeing 767223

Difficulty date: March 2, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N335AA
Make and model: Boeing 767223
Aircraft serial: 22333
System (JASC): 3610 · Pneumatic Distribution System
Part: Duct
Condition: Failed
Location: Right
Stage of operation: CR
Nature of condition: J
Precautionary procedure: O

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

What was found

SFO - FLT 59 - DUCK LEAK LIGHT RT SIDE ILLUMINATES INTERMITTENTLY THROUGHOUT THE FLT. CLOSING RIGHT ENGINE BLEED. RIGHT ISOLATION VALVE AND RETARDING RIGHT THROTTLE HAD NO EFFECT. LIGHT CONTINUED TO FLICKER ON AND OFF. FOUND DUCT 4048227 LEAKING AIR, DUE TO CRACKED WELD. REPLACED DUCT. NEW DUCT LEAK AND OPS CHECK OK. ACCOMPLISHED HI-POWER RUN. NO PROBLEMS NOTED. SYSTEMS NOW OPS CHECK NORMAL. (M)