Service difficulty report · Web · Boeing 7377H4

Difficulty date
August 7, 2017
Submitted
January 31, 2022
Operation
Air carrier
Aircraft
N229WN
Make and model
Boeing 7377H4
Aircraft serial
32498
Aircraft time
41,142 hours, 24,039 cycles
Part
Web
Condition
Corroded
Location
Fwd 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

FWD CARGO DOOR LOWER SILL WEB HAS AREAS OF CORROSION FROM BS 440 TO BS 492 RBL 29'. MARKED. / BLENDED AND REMOVED CORROSION I/A/W B737 SRM 51-10-02-0G-0; ORIGINAL MATERIAL .045; LOSS .010; REAMIANING .035 FOUND TO BE OUT OF LIMITS I/A/W B737 SRM 53-30-15-1A-1. REMOVED FWD CARGO DOOR LOWER SILL WEB; VERIFIED NEW WEB; LOCATED AND DRILLED UP; COUNTERSUNK; INSTALL NUTPLATES IN NEW WEB I/A/W B737 DRAWING 143A8122; B737 SRM 51-40-02-0G-0; SRM 51-40-0G-0. INSTALLED NEW WEB I/A/W BOEING DRAWING 143A8330 REV B

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