# SDR CALA2026061016956

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2026
- Submitted: June 10, 2026
- Operation: Air carrier
- Aircraft: [N14249](https://openairdocs.org/aircraft/N14249), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28809
- Aircraft time: 77,272 hours, 29,906 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: 143A3241
- Condition: Corroded
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026061016956

## Discrepancy

FWD CARGO COMPARTMENT AIR DISTRUBUTION BAY STR 27R IS POSSIBLE CORROSION, NEAR STA 540.  INSTALLED REPAIR PARTS ON STR 27 RH, BTW BS 500I - 540 AT FWD CARGO BAY IAW SRM 53-00-03-2R-1 REPAIR 1 PAR. 4. K. AND SRM 51-40-02-0G-0.  REMOVED AND EVALUATED CORROSION, REMOVED DAMAGE, REQ NDT, NDT IN SPECTION PERFORMED NO CRACKS OR DAMAGES SIGNAL NOTED, VERIFIED M ATERIAL ID TO MAKE REPAIR PARTS,  LOCATED & DRILLED REPAIR PARTS , APPLIED CHEMICAL CONVERSION COATING TO REPAIR PARTS, APPLIED P RIMER TO REPIR PARTS & BARE SURFACE OF INITIAL STRINGER, INSTALLED REPAIR PARTS, APPLI ED PRIMER TO FASTENERS COMMON TO REPAIR, APPLIED CIC TO REPAIR A REA ON STR 27 RH BTW BS 500I TO 540 AT FWD CARGO COMPARMENT IAW SRM 51-10-02-0G-0 STEP 15 & SRM 53-00-03-1A-1 STEP 4 TABLE 101, SRM 51-10-02-0G-0, SRM 53-00-03-2R- 1 STEP 4.C,  NDT PART 6 51-00-00 PROCEDURE 23 , SRM 53-00-03-2R-1 REPAIR 1 PAR. 4 D.(2) TABLE 202 AND TABLE 203, SRM 53-00-03-2R-1 REPAIR 1 PAR. 4. E TO PAR. 4. H, SRM 53-00-03-2R-1 REPAIR 1 PAR. 4. I. AND SRM 51-20-01-0G-0 PA R. 5, SRM 53-00-03-2R-1 REPAIR 1 PAR. 4. J.AND SOPM 20- 41-02 PAR. 6, UNITED GMM 05-45-15, SRM 53-00-03-2R-1 RE PAIR 1 PAR. 4. K. AND SRM 51-40-02-0G-0, SOPM 20-41-02 PAR. 6,  SRM 51-20-01-0G-0 PAR. 10.

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