Service difficulty report · Sidewall Support · Boeing 737752

Difficulty date
October 28, 2023
Submitted
November 27, 2023
Operation
Air carrier
Aircraft
N7888A
Make and model
Boeing 737752
Aircraft serial
35124
Aircraft time
52,977 hours, 27,703 cycles
Part
Sidewall Support
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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

FLOOR TO SIDEWALL SUPPORT IS CORRODED AT BS 500A+14; RBL 25; WL 156<[01] REMOVED CORROSION ON FLOOR TO SIDE WALL SUPPORT ANGLE BS 500A TO BS 500D RBL 25 WL 156. FOUND TO BE OUT OF LIMITS IAW SRM 51-10-02 AND SRM 53-00-53-1A-2 4.A (2) (A) FIGURE 103 DETAIL D. FABRICATED; LOCATED AND DRILLED FLOOR TO SIDE WALL SUPPORT IAW SRM 51-40-05 AND DWG 143A7500.;[02] REMOVED AND REPLACED FLOOR TO SIDEWALL SUPPORT BS 500A-500D RBL25 WL 156. IAW SRM 51-40-05 AND DWG 143A7500;[03] VERIFIED.<BR>VERIFIED MEASUREMENTS.