SDR AALA20161125015

Service difficulty report · Vapor Barrier · Boeing 737823

Difficulty date: November 23, 2016
Submitted: November 25, 2016
Operation: Air carrier
Aircraft: N941AN
Make and model: Boeing 737823
Aircraft serial: 29534
Aircraft time: 49,885 hours, 20,335 cycles
System (JASC): 5720 · Wing Miscellaneous Structure
Part: Vapor Barrier
Condition: Cracked
Location: Rt Wing
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

AIRCRAFT IN BASE MAINTENANCE. RIGHT WHEEL WELL VAPOR BARRIER HAS 3.625 LONG CRACK BETWEEN KEEL BEAM AND RIGHT PACK EXHAUST. CRACK TERMINATES AT A FASTENER AND UNDER STRUCTURE. LOWER END OF CRACK IS 5.0 ABOVE BARRIER PANEL LOWER EDGE. ACCOMPLISHED INTERIM REPAIR IAW AARD 57-10-11-01.