SDR ASAA2017030620226

Service difficulty report · Web · Boeing 737890

Difficulty date: March 6, 2017
Submitted: March 22, 2017
Operation: Air carrier
Aircraft: N570AS
Make and model: Boeing 737890
Aircraft serial: 35185
Aircraft time: 38,296 hours, 11,336 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
Part number: 146A8123U6
Condition: Corroded
Location: Bs 807-840
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

AFT CARGO BAY DOORWAY LOWER SEAL WEB HAS AREAS OF CORROSION. ACFT GROUNDED. REMOVED THE CORROSION AND FOUND IT TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1, FIG 103, DETAIL D. REMOVED THE DOOR SILL WEB IAW SRM 51-40-0-0G-0, FIG 10. LOCATED, DRILLED AND INSTALLED IAW SRM 51-40-05-0G-0, FIG 2, AND SRM 51-40-02-0G-0, STEP 5.