What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT LOWER KEEL BEAM TRUSS WEB AT DRAIN HOLE AT BS 727 AND BL 0. REPAIRED KEEL BEAM PER EA 303916.
- Difficulty date
- February 24, 2020
- Submitted
- March 17, 2020
- Operation
- Air carrier
- Aircraft
- N906AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29508
- Aircraft time
- 61,753 hours, 25,177 cycles
- System (JASC)
- 5314 · Fuselage Main, Keel
- Part
- Keelbeam
- Part number
- 144A71349
- Condition
- Corroded
- Location
- Fuselage
- 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.