What was found
FOUND CRACK RIGHT VAPOR BARRIER STIFFENER RBL 25 STA 663.75 O/B OF RAM AIR EXIT EXHAUST DUCT. INSTALLED NEW STIFFERNER AT BS 663.75 RBL 25" IAW 51-40-02-0G-0 AND DWG 111A1308-16.
- Difficulty date
- April 11, 2026
- Submitted
- April 15, 2026
- Operation
- Air carrier
- Aircraft
- N87531
- Make and model
- Boeing 737824
- Aircraft serial
- 39999
- Aircraft time
- 47,547 hours, 17,200 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Stiffener
- Part number
- 111A130816
- 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.