Service difficulty report · Panel · Boeing 737*

Difficulty date
February 7, 2022
Submitted
March 8, 2022
Operation
Air carrier
Aircraft
N7873A
Make and model
Boeing 737*
Aircraft serial
29350
Aircraft time
48,860 hours, 26,568 cycles
Part
Panel
Part number
561AB
Condition
Pulled
Stage of operation
UK
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

PANEL 561AB HAS SEVERAL PULLED FASTENER HOLES (MARKED) / REMOVED FINISH & STARTED DAMAGE EVALUATION IAW SRM 57-51-01-1A-1 PARA 2 A (1);[02] DAMAGED FASTENER HOLES ALONG THE MARKED EDGE BAND EXCEED THE ALLOWABLE LIMITS AS GIVEN IN SRM 57-51-01-1A-1<BR>PARA 4 B .<BR>DAMAGE TO BE REPAIRED IAW SRM 51-70-04-2R-9 AS GIVEN IN SRM 57-51-01-2R-1 PARA 4 C . TABLE 202<BR>PERFORMED DAMAGE REMOVAL & SURFACE PREPARATION IAW SRM 51-70-04-2R-9 PARA 4 STEPS A-C.;[03] LINE 1 ITEM CORRECTION : SRM 57-51-01-0I-1 FIG 3 TABLE 3 ITEM 5;[04] UPDATED MEASUREMENTS;[05] VALIDATED REPAIR PER SRM 51-70-04-2R-9;[06] VERIFIED CORRECTIVE ACTIONS 1-5<BR><BR>VALIDATED REPAIR PER SRM 51-70-04-2R-9;[07] PREPARED THE DEFECTIVE FASTENER HOLE SURFACES ;THEN USING BMS8-301 CL 1 /EA 9390 RESIN LOT JH1GAA7833 & CHOPPED FIBERS ; APPLIED THE SLURRY TO THE FASTENER HOLES & SET TO CURE IAW SRM 51-70-04-2R-9 PARA 4 STEPS D & E & FIG 201;[08] CURED SLURRY USING BONDER NCX000526/12051216 SANDED SMOOTH WITH PANEL; FABRICATED AND INSTALLED REPAIR PLIES USING BMS 9-3TYH2 LOT# 1475360-2 AND BMS 8-301 CL1 RESIN LOT#JH1GAA7833 ;VACUUM BAGGED LEAK CHECKED GOOD USING GAUGE ID:E11543/UNKNOWN THEN CURED USING THERMOMETOR ID:ATS1777/34910028WSIAW SRM 51-70-04-2R-9 PARA4.H-MRESTORED THE FINISH USING BMS10-103 PRIMER & BMS10-60 ENAMEL IAW SRM 51-70-04-2R-9 PARA 4 STEP P .;[12] PANEL 561AB PULLED FASTENER HOLES WERE REPAIRED IAW SRM 51-70-04-2R-9