- Difficulty date
- November 25, 2009
- Submitted
- November 25, 2009
- Operation
- Air carrier
- Make and model
- Boeing 75721B
- Aircraft serial
- 24331
- Aircraft time
- 50,153 hours, 32,684 cycles
- Part
- Intercostal
- Part number
- 146N545111
- 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
AFT CARGO COMPARTMENT INTERCOSTAL CORRODED AT STA 1502, LBL 2.5. CORROSION REMOVED IAW SRM 53-00-04 REV 98. MATERIAL REMOVED = 0.010", MATERIAL THICKNESS = 0.040", MATERIAL REMAINED = 0.030". INTERCOSTAL FABRICATED IAW DWG 146N5451 SHT 1 REV. - AND PL 146N5451 REV C. INTERCOSTAL PART MARKED IAW GMM 7-0- 1001. INTERCOSTAL REMOVED AND REPLACED IAW SRM 51-40-02 REV. 98. REPAIR IS CLASSIFIED AS MINOR IAW GMM 6-2-100 CRITERIA.