SDR SCNA20260609244

Service difficulty report · Vapor Barrier · Boeing 737800*

Difficulty date: May 5, 2026
Submitted: June 9, 2026
Operation: Air carrier
Aircraft: N845SY
Make and model: Boeing 737800*
Aircraft serial: 40727
Aircraft time: 40,366 hours, 25,491 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Vapor Barrier
Condition: Cracked
Location: Zone 100
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

CRACK ON VAPOR BARRIER (LOWER WEB) BETWEEN BSTA 663 & LBL 31.83 TO LBL 45.64, ALSO BETWEEN BSTA 663 & RBL 25.00 TO RBL 40. VAPOR BARRIER (LOWER WEB) BETWEEN BSTA 663 & LBL 31.83 TO LBL 45.64, ALSO BETWEEN BS 663 & RBL 25 TO RBL 40 WAS REPAIRED IAW SRM 51-70-04-2R-10, REPAIR 10.

More about the Boeing 737-800