SDR ASAA2015100113525

Service difficulty report · Door Sill · Boeing 737490

Difficulty date: October 1, 2015
Submitted: October 20, 2015
Operation: Air carrier
Aircraft: N703AS
Make and model: Boeing 737490
Aircraft serial: 28893
Aircraft time: 53,972 hours, 30,578 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Door Sill
Part number: 6517688180
Condition: Corroded
Location: Bs 328-335
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

L1 MOPSILL HAS AREAS OF CORROSION ON UPPER SURFACE. ACFT GROUNDED. BLENDED CORRODED AREAS ON L1 MOPSILL, INNER CHORD OUT OF LIMITS, REMOVED AND INSTALLED NEW MOPSILL, INNER CHORD IAW SRM 53-10-15-1A-1, FIG 101, DETAIL IX, 51-40-02-0G-0, W 1.0, O .090, R .076, L 7.0, D .014.