Service difficulty report · Web · Boeing 7377Q8

Difficulty date
June 3, 2022
Submitted
June 30, 2022
Operation
Air carrier
Aircraft
N7850B
Make and model
Boeing 7377Q8
Aircraft serial
28238
Aircraft time
59,194 hours, 39,098 cycles
Part
Web
Condition
Cracked
Location
Fuselage
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

CRACK FOUND ON HORIZONTAL PRESSURE DECK; RBL 40; BS 663+2 AS MARKED. / [01] REMOVED THE ADJACENT STRUCTURE; FASTENERS COMMON TO THE DAMAGE WEB IAW SRM 51-40-02. CUTED AND REMOVED THE DAMAGE PART OF THE WEB PER SRM 53-40-51-2R-2.;[02] VERIFIED CORRECTIVE ACTIONS STEP 1.;[03] HFEC INSPECTED CUT EDGE; AND ALL HOLES IN THE REPAIR AREA; PER NDTM PT 6 51-00-00 PROCEDURE 23 AND 16; NO CRACKS NOTED; EQUIP ID IS000680 04/2023<BR><BR>VISUALLY INSPECTED AT AND AROUND REPAIR AREA; NO DEFECTS NOTED;[04] LOCATED; DRILLED AND TRIMMED TO SIZE -1 DOUBLER MADE FROM 2024-T3 CLAD LOT# 1483761-1; -2 STIFFENERS (7EA); MADE FROM BAC1505-100052#7075-T6511 LOT# 1483757-1; AND -3 WEB MADE FROM 2024-T3 CLAD LOT# 1477768-1 PER SRM 53-40-51-2R-2 PARA. 4E-G (TABLE 201);

More about the Boeing 737-7Q8