- Difficulty date
- September 1, 2009
- Submitted
- September 1, 2009
- Operation
- Air carrier
- Make and model
- Boeing 75721B
- Aircraft serial
- 24330
- Aircraft time
- 52,447 hours, 30,243 cycles
- Part
- Keelbeam
- Part number
- 143N35801
- Condition
- Corroded
- 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
BS 780 TO 800 LBL 8 STR 28L CORRODED. CORRODED STRINGER (KEEL CHORD) REMOVED AND SECTIONAL REPAIR CARRIED OUT IAW EA F-5310-131064 (TITLE: KEEL CHORD , BS 700-800, STRINGER S-28L CORROSION REPAIR. REPAIR IS CLASSIFIED AS MAJOR IAW GMM 6-2-100 CRITERIA.