Service difficulty report · Support · Boeing 737752

Difficulty date
October 30, 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
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

AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT HAS CORROSION FROM BS 727A+11 - 767; RBL 21; WL 154<[01] VERIFIED STEPS 1-4 AND MEASUREMENT TABLE;[02] REMOVED CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT BS 727A+11 RBL 21 WL 154 FOUND AREA OUT OF LIMITS<BR>IAW SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2<BR>PARAG. 4A(2) DETAIL D FIG.103. RECEIVED LOCATED AND DRILLED AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT<BR>P/N 146A7502-51 LOT: 1543531-1 BS 727 - BS 767 RBL 21 WL 154<BR>IAW SRM 51-40-05 AND DWG 146A7500;[03] REMOVED AND REPLACED FLOOR TO SIDEWALL SUPPORT BS 727-767 RBL22 WL 156. IAW SRM 51-40-05 AND DWG 146A7500;[04] VERIFIED.<BR>VERIFIED MEASUREMENTS.