Service difficulty report · Web · Boeing 737890

Difficulty date
February 24, 2016
Submitted
March 9, 2016
Operation
Air carrier
Aircraft
N546AS
Make and model
Boeing 737890
Aircraft serial
30022
Aircraft time
42,177 hours, 13,705 cycles
Part
Web
Part number
147A880185
Condition
Corroded
Location
Bs 988-992
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

L2 DOOR SURROUND LOWER AUXILIARY SILL WEB IS CORRODED AT APPROXIMATELY BS 990, AT GROUND BLOCK LOCATION. ACFT GROUNDED. REMOVED CORROSION AND FOUND BEYOND ALLOWABLE LIMITS IAW SRM 53-70-15-1A-1, ORIGINAL MATERIAL THICKNESS IS 0.040", REMOVED 0.006 ", REMAINING THICKNESS IS 0.034". REMOVED DAMAGE WEB IAW SRM 51-40-02. FABRICATED NEW WEB IAW BAC DWG 147A8801, REV, INSTALLED NEW WEB IAW SRM 51-40-02 AND DWG 147A8801 REV AND SRM 51-10-02, PARA 9.