What was found
LT WW FWD BULKHEAD AFT OF HEAT EXCHANGER UPPER CHORD IS CRACKED AT FASTENER HOLE. GROUNDED - YES. REPAIRED LT WW UPPER CHORD IAW EA 900 57EA 21324.
- Difficulty date
- February 25, 2019
- Submitted
- March 11, 2019
- Operation
- Air carrier
- Aircraft
- N318AS
- Make and model
- Boeing 737990
- Aircraft serial
- 30018
- Aircraft time
- 55,891 hours, 22,184 cycles
- System (JASC)
- 5312 · Fuselage Main, Bulkhead
- Part
- Bulkhead
- Part number
- 111A13225
- Condition
- Cracked
- Location
- Lt Mlg Ww
- 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.