SDR ASAA2016030916078

Service difficulty report · Channel · Boeing 737490

Difficulty date: March 9, 2016
Submitted: March 25, 2016
Operation: Air carrier
Aircraft: N791AS
Make and model: Boeing 737490
Aircraft serial: 28886
Aircraft time: 58,187 hours, 32,983 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Part number: 6517688180
Condition: Corroded
Location: Bs 270-370
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 LIGHT CORROSION ON UPPER SURFACE. ACFT GROUNDED. REMOVED CORROSION ON L1 MOPSILL OUT OF LIMITS, REMOVED AND INSTALLED NEW MOPSILL, INNER CHORD, IAW SRM 53-10-15-1A-1, FIG 101, 51-40-02-0G-0, W 1.5", O .090", R .077", L 2.0", D .013".