Service difficulty report · Web · Boeing 73779P

Difficulty date
June 24, 2021
Submitted
July 27, 2021
Operation
Air carrier
Aircraft
N7820L
Make and model
Boeing 73779P
Aircraft serial
28253
Aircraft time
52,814 hours, 34,351 cycles
Part
Web
Condition
Corroded
Location
Fwd Cargo
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 WITH EVIDENCE OF SURFACE CORROSION AROUND FASTENERS BETWEEN BS 460 AND BS 480 RBL-30 . MID 126-01 ; / [01] LOCATED AND DRILLED NEW WEB AS PER B737-700 SRM 51-40-05-0G-0.; [02] VERIFIED WORK PERFORMED; [03] OK TO TREAT AND PRIME; [04] APPLIED ALODINE AND PRIMER AS PER B737-700 SRM 51-20-01-0G-0.; [05] VERIFIED WORK PERFORMED; [06] OK TO INSTALL NUT PLATES; [07] INSTALLED NUTPLATES AS PER B737-700 SRM 51-40-02-0G-0.; [08] LOCATED AND DRILLED NEW WEB AT FWD CARGO DOOR SILL RBL 30 AS PER B737-700 SRM 51-40-05-0G-0.; [09] VERIFIED WORK PERFORMED

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