- Difficulty date
- March 23, 2021
- Submitted
- May 3, 2021
- Operation
- Air carrier
- Aircraft
- N408WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 27895
- Aircraft time
- 66,599 hours, 39,435 cycles
- Part
- Stringer
- Condition
- Corroded
- Location
- Bs 867-887 S26l
- Stage of operation
- IN
- How discovered
- 9
- 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
CORROSION STRINGER 26L BETWEEN BS867 TO BS887 WL148 AFT CARGO COMPARTMENT / PERFORMED PERMANENT REPAIR STRINGER 26L LOC BTW BS 847 TO BS 887 WL 148 AFT CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2A-1 REPAIR 1 AND MATERIAL USED:ALLUMINIUM SHEET 7075-T0 '0.056' (STRINGER SECTION) AND 7075-T0 '0.065' (CHANNEL (1EA); ANGLE (2EA)) AND APPLIED HEAT TREATMENT AND CONVERTED FROM 7075-T0 CONDITION T6 IAW BAC5602