SDR ASAA2019011127961

Service difficulty report · Threshold · Boeing 737890

Difficulty date: January 11, 2019
Submitted: January 29, 2019
Operation: Air carrier
Aircraft: N519AS
Make and model: Boeing 737890
Aircraft serial: 36482
Aircraft time: 38,091 hours, 11,368 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Threshold
Part number: 146A812325
Condition: Corroded
Location: Fuselage
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 COMPT. CARGO DOOR THRESHOLD WEB IS CORRODED. GROUNDED - YES. REMOVED CORROSION AFT PIT WEB PER SRM 53-60-15-1A-1 ORIGINAL THICKNESS .045 PER DWG 146A8123-25 REV A, REMOVED .013 REMAINING IS .033. OUT OF LIMITS PER SRM 53-60-15-1A 14G3. REMOVED AFT WEB PER SRM 51-40-07. LOCATED AND DRILLED WEB IAW SRM 51-40-05 AND BAC DWG 146A 8120 REV A. INSTALLED WEB IAW BAC DWG 146A8120 REV A AND SRM 51-40-05. WEB P/N 146A8123-25 PO 935165.2.