Service difficulty report · Web · Boeing 7377H4

Difficulty date
June 3, 2022
Submitted
July 13, 2022
Operation
Air carrier
Aircraft
N949WN
Make and model
Boeing 7377H4
Aircraft serial
36663
Aircraft time
38,976 hours, 23,480 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

**CORROSION** FWD CARGO DOOR CUTOUT WEB; AT STA: 440 TO 492.4; STR: 25R; WL: 156.4; HAS MULTIPLE SPOTS OF CORROSION (DOT: 25-3). / [01] EVALUATED FWD CARGO DOOR CUTOUT WEB AND FOUND DOOR CUTOUT WEB EXFOLIATED REF B737-700 SRM 53-00-53-1A-2;[02] LOCATED AND DRILL NEW FWD CARGO DOOR CUT OUT WEB PER REF SRM 51-40-05-0G-0.;[03] VERIFIED STEP 1 AND 2. OK TO TREAT AND PRIME WEB.;[04] TREATED AND PRIMED FWD CARGO DOOR CUTOUT WEB PER REF AMM 51-21-41-370-804 AND AMM 51-21-72-370-804;[05] VERIFIED STEP 4. OK TO INSTALL NUT PLATES.;[06] INSTALLED NUT PLATES AT FWD CARGO DOOR CUTOUT WEB PER SRM 51-40-02-0G-0.;[07] EVALUATED FWD CARGO DOOR CUTOUT WEB AND FOUND DOOR CUTOUT WEB EXFOLIATED; LOCATED AND DRILL NEW FWD CARGO DOOR CUT OUT WEB ;TREATED; PRIMED INSTALLED NUT PLATES PER REF SRM 53-00-53-1A-2;SRM 51-40-05-0G-0. SRM 51-40-02-0G-0. INSTALLATION TO BE ACCOMPLISHED ON JOB CARD TTG8Q004BSET.;[08] VERIFIED 6 AND 7

More about the Boeing 737-7H4