Service difficulty report · Support · Boeing 737*

Difficulty date
November 2, 2021
Submitted
November 22, 2021
Operation
Air carrier
Aircraft
N968WN
Make and model
Boeing 737*
Aircraft serial
36679
Aircraft time
32,623 hours, 19,737 cycles
Part
Support
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

CORROSION FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT BS 420 +13; BS 440+2; +6; +10; +14 BS 460+ 6; +10;+14; BS 480 +6; +10 LBL 24 WL 156 ; / [01] REMOVED AND EVALUATED DAMAGE; [02] VERIFIED STEPS 1 -10 COMPLETE. OUT OF LIMITS.; [03] FABRICATED NEW SIDEWALL SUPPORT IAW SRM 51-40-05-0G-0 AND DRAWING#143A7501 LOT#1467644-1 BAC1496-444 7075-T6.<BR>FABRICATED SPLICE REPAIR IAW SRM 53-00-53-2R-6 REPAIR 6 PART 4D-4I; SRM 51-40-05-0G-0 LOT#1467644-1 BAC1496-444 7075-T6 <BR>OK TO TREAT AND PRIME; [04] VERIFIED CORRECTIVE ACTION ENTRY 3. OK TO TREAT AND PRIME GIVEN.; [05] APPLIED CHEMICAL CONVERSION COATING AND PRIMER ON REPAIR PARTS IAW SRM 51-20-1; SOPM 20-41-02.; [06] VERIFIED APPLICATION OF CONVERSION COATING AND PRIMER PER SRM 51-20-1; SOPM 20-41-02; [07] FCB L/H FLOOR TO SIDEWALL SUPPORT BS 395 TO BS 500D WILL BE INSTALLED ON FAULT TTG8Q004EMB3; [08] VERIFIED CORRECTIVE ACTION ITEM 7. NEW FCB L/H FLOOR TO SIDEWALL ANGLE WILL BE INTALLED ON FAULT TTG8Q004EMB3; JOB CARD STEP 42.