Service difficulty report · Web · Boeing 73776N

Difficulty date
May 10, 2022
Submitted
May 31, 2022
Operation
Air carrier
Aircraft
N7733B
Make and model
Boeing 73776N
Aircraft serial
32678
Aircraft time
50,055 hours, 25,216 cycles
Part
Web
Part number
146A81236
Condition
Corroded
Location
Aft Cargo Bay
Stage of operation
IN
How discovered
9
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

CORROSION ON SUBTHRESHOLD WEB AT AFT CARGO BAY BS807 - BS836 RBL26. MARKED. / [01] REMOVED CORROSION ON SUBTHRESHOLD WEB AT AFT CARGO BAY BS 807 TO BS 836; RBL 26 ; WORK AREA ; BS 807 ; L 1.5'X W 1.0'X D 0.025'; BS 812 ; L 1.0'X W 1.0'X D 0.012; BS 827 ; L 1.5'X W 1.0'X D 0.015' ; FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1; USED DEPTH GAGE ; ID: ATS2677; S/N: UNKNOWN; DUE: 11/2022;[02] SRM 53-60-15-1A-1 IS APPLICABLE TO THIS;[03] RECEIVED A NEW WEB FROM STORES PN 146A8123U25 FROM STORES REF PO 863713.<BR>LOCATED AND DRILLED NEW WEB IAW SRM 51-40-05-0G-0 AND DWG 146A8120 REV:-;[04] NEW WEB TO BE INSTALLED ON CUSTOMER CARD TTG8Q0049N7S.

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