What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON L1 DOOR CUT OUT LOWER SILL STIFFENER BETWEEN BS 374.5 AND BS 377.7. REPLACED STIFFENER PER SRM 51-40-02.
- Difficulty date
- December 7, 2019
- Submitted
- December 12, 2019
- Operation
- Air carrier
- Aircraft
- N177AN
- Make and model
- Boeing 757223
- Aircraft serial
- 32396
- Aircraft time
- 58,822 hours, 16,333 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Stiffener
- Condition
- Corroded
- Location
- L1 Door Sill
- 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.