Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date
June 28, 2024
Submitted
July 23, 2024
Operation
Air carrier
Aircraft
N252WN
Make and model
Boeing 7377H4
Aircraft serial
34973
Aircraft time
59,332 hours, 35,662 cycles
Part
Sidewall Support
Condition
Mechanic Error
Location
Zone 100
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

REJECT: DURING LOCATED AND DRILLED FOR NEW SIDEWALLED SUPPORT FOUND SEVERAL MISDRILLED HOLES AT THE LOWER FLANGE MARKED (AT THE NEW PART)<[01] VERIFIED STEP 3 COMPLETE; STEP 5 IN PARTIAL.;[02] MADE REPAIR PARTS ITEM (1) ZEE CHANNEL BAC1496-377 LOT#1554641-1 ITEM (2) SPLICE SIDEPLATE BAC1496-377.LOCATED AND DRILLED REPAIR PARTS IAW SRM 51-40-05 SRM 53-00-53-2R-6 REPAIR 6 DWG#146A7502;[03] REMOVED AND REPLACED FLOOR TO SIDEWALL SUPPORT BS 727 TO BS 847 LBL21 IAW SRM51-40-02 AND DWG 146A7500 ID:0085 REV:A;[04] VERIFIED CORRECTIVE ACTION 3

More about the Boeing 737-7H4